taxonID	type	description	language	source
038D5A57104A1637FF074A96FA0EF994.taxon	biology_ecology	Host plants: Canavalia, Cassia, Cymbosema, Dioclea, Inga, Mucuna, Phaseolus (Fabaceae); Solanum (Solanaceae); Heliconia (Heliconiaceae); Flagellaria (Flagellariaceae); Cocos (Arecaceae); Freycinetia, Pandanus (Pandanaceae); Pleomele (Agavaceae) (Jolivet & Hawkeswood 1995). Biology. The biology is unknown for all species. The pupa of O. anchora was described by Uhmann (1953).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	description	(Figure 1)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	description	Santiago-Blay 2004: 71 (host plants); Nielsen et al. 2005: 127 (host plant). Chalepus (Xenochalepus) ancora mendax Weise 1911 a: 48 [Syntypes: Brazil- St. Estephe; Venezuela- Puerto Cabello (ZMHB)]. Weise 1911 b: 26 (catalog), 1911 c: 39 (catalog); Bruch 1915: 377 (faunal list); Pic 1931: 344 (comparative note). Chalepus anchora mendax Weise. Blackwelder 1946: 726 (faunal list).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	description	Description. Subelongate; yellowish; head, antennae, and legs (except base of femora, yellow) black; pronotum and elytra with black markings; pro-, meso-, and metasterna yellowish medially, black laterally; abdominal sterna yellowish laterally, sterna 1 and 2 yellowish medially, remainder black. Head: front trisulcate; interocular space strongly produced, obtuse, upper surface with short longitudinal carina; frons punctate, not projecting. Antenna: ½ body length; filiform; antennomeres 1 and 2 subequal in length and width, transverse; 3 and 4 subequal in length, elongate, slightly sulcate; 5 to 10 transverse, decreasing in length; 11 very acutely pointed; 1 – 7 glabrous, 8 – 11 setose. Pronotum: transverse, subconical; lateral margin obliquely converging from base to apex, bisinuate; transverse depression behind disc at base; torulose at base on each side; coarsely, irregularly punctate, punctures deeper laterally; pronotal length 1.1 – 1.3 mm (n = 20); pronotal width 1.4 – 1.6 mm. Scutellum: quadrate; alutaceous. Elytron: narrowly oblong; parallel-sided; finely serrulate laterally; apices conjointly rounded, coarsely denticulate, with 2 or 3 large teeth on each side; with 10 regular rows of punctures, scutellar row absent; intervals elevated, intervals 2 and 4 strongly costate, 8 moderately costate, 6 costate at base and apex; elytral length 5.7 – 6.4 mm; elytral width 1.9 – 2.4 mm. Venter: pro- and metasterna smooth medially, punctate laterally; mesosternum entirely smooth; abdominal sterna alutaceous. Leg: femur punctate; tibia alutaceous. Total length: 7.6 – 9.0 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	discussion	Remarks. This species is distinguished by the elytra without a scutellar row; by the vertex of the head being trisulcate; by antennomeres 1 and 2 being transverse, with antennomeres 3 – 4 being subequal in length; and by the lateral margin of the pronotum being bisinuate.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	biology_ecology	Host plant. Reared from Cassia fruticosa Mill. (Caesalpiniaceae) (Hespenheide & Dang 1999). Adults collected on Centrosema macrocarpum Benth. (Flowers & Janzen 1997); Machaerium biovulatum Micheli (Fabaceae) (Nielsen et al. 2005).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104B1635FF074A66FAABFEB9.taxon	distribution	Distribution. Colombia, Costa Rica, El Salvador, Honduras, México, Nicaragua, Panamá, and Venezuela. Specimens examined.?: La Plata City, 1. vi. 1896 (PSUC). Colombia. Amazonas: Letticia, vii. 1967 (USNM); Rio Frio (USNM). Vichada, PNN El Tuparro, 250 m, 5 – 14. i. 2001, 1 – 12. v. 2001, 12 – 22. v. 2001 (IVAH). Costa Rica. No further data (USNM). Guanacaste: Cañas, 0 – 100 m (INBio); 14 km S. Cañas, 7 – 10. x. 1989, 7 – 10. x. 1989, 20 – 30. x. 1989, 14 – 16. x. 1989, 25. ii – 8. iii. 1989, 10 – 15. x. 1989, 26 – 31. i. 1989 (USUC), 24 – 31. v. 1990,14 – 16. vi. 1991 (USNM); 6 mi. Cañas, F. Taboga, 6. vii. 1988 (CMNH); 20 km SW Cañas, 3 – 17. xi. 1991 (BPBM); Port Parker, Elena Bay, i. 13.1938 (AMNH); Rio Corbiel nr. Cañas, 8. iii. 1976 (USNM); Estacion Exper. Enrique Jimenez Nuñez, 5 – 17. xi. 1991 (USNM); La Cruz, P. N. Guanacaste, 100 – 200 m (INBio); Liberia, P. N. Santa Rosa, 200 – 300 m (INBio, USNM); Nicoya, P. N. Barra Honda, 0 – 100 m (INBio); Nosara, 23. ix. 1973 (FSCA); San Carlos (USNM). Heredia: La Selva Biological Station (INBio, USNM); La Virgen, 100 – 200 m (INBio). Limón: Bratso, R. I. Talamanca, 0 – 100 m (INBio); Hamburg Farm, 6. i. 1925 (USNM). Puntarenas: Aguirre, P. N. Manuel Antonio, 0 – 100 m (INBio); Buenos Aires, R. I. Boruca- Térraba, 0 – 100 m (INBio); Garabito, P. N. Carara, 100 – 200 m (INBio); Golfito, P. N. Piedras Blancas, 0 – 100 m (INBio); Jiménez, P. N. Corcovado, 0 – 100 m (INBio). San José: Turrubares, R. N. V. S. Fernando Castro Fernández, 200 – 300 m (INBio). El Salvador. Morazan: Perguin, 22. vi. 1959 (INSB). Santa Ana: Metapán, Hda. Montecristo, 2300 m, 12. iii. 1972 (FSCA). Honduras. Cortés: south of El Porvenir, base of Cordillera Nombre de Dios, 28. v. 1993 (UICM). Olancho: P. N. Muralla, 29. ix. 1995 (FSCA). México. Jalisco: Hwy 60, 5 km S. La Huerita, 7. vii. 1991 (UICM). Nayarit: 3.7 mi W Compostela, 11. ix. 1986 (FSCA). Nicaragua. Rio San Juan: Refugio Bartola, 16 km ESE El Castillo, iv. 22.1993 (USNM); Palo Seco Panama Road leading to La Pita Signal Station, 27. ii. 1971 (EGRC). Panamá.?: Canal Zone, 1912 (USNM); El Cermeno, iv – v. 1930 (USNM); Fort Howard, 24. x. 1973 (FSCA). Bocas del Toro: 6. vii. 1908 (USNM). Chiriquí: Bugaba (AMNH, BMNH, INSB, USNM); Caldera, 31. v. 1994 (CMNH); Caldera de Chorcha, 3. vii. 1976 (EGRC); David (PSUC); Paraiso, iv. 1911 (USNM). Coclé: El Valle, 10 – 13. vi. 1985 (EGRC). Colón: Coco Soco Hospital, 10. vi. 1979 (EGRC); Gatun, 7. iii. 1911 (USNM); Madden Forest, 27. ix. 1969 (CMNC); Porto Bello, 11. iii. 1911 (USNM). Panamá: Barro Colorado Island, 2. ii. 1929 (PSUC); Fort Kobbe, 12. v. 1985 (USNM), v. 22.1993 (USNM), 28. v. 1972, 1. v. 1977, 19. v. 1980, 6. vi. 1970, 20. vi. 1976, 21. vii. 1976, 6. vi. 1985 (EGRC); Old Panama, 31. i. 1911 (USNM); Panama City, Pq. Natural Metropolitano, 23. vii. 1995 (BYUC); Road to Fort Kobbe Beach, 25. vi. 1973 (USNM); Pipeline Road, 18. vi. 1983 (EGRC); Summit, xi. 1965, xi. 1961 (USNM). Taboga Island: various dates (USNM). Venezuela. Districto Federal: Caracas, 24. i. 1955 (USNM). Total: 527.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	description	(Figure 2)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	description	Description. Head, antennae, and scutellum black; pronotum yellow, with a medial black band attenuate anteriorly and two narrow black lateral bands; elytra orangish-yellow with black anchor-like marking along suture on basal ½, apical ¼ black; legs black, base of the femora yellow (there are forms with the femora entirely yellow and others with the femora entirely black); venter black, with yellow maculae. Head: with faint medial sulcus; slightly depressed between eyes; vertex alutaceous; frons punctate, not projecting. Antenna: antennomeres 1 and 2 subglobose; 3 – 4 cylindrical; 5 – 10 transverse; 11 pointed at apex; 1 – 4 slightly compressed laterally. Pronotum: trapezoidal, surface covered with sparse, irregularly distributed large punctures, with a shallow longitudinal medial sulcus; lateral margin sinuate, constricted behind head; anterior angle with small tooth; posterior angle rounded; basal impression present; pronotal length 0.9 – 1.3 mm (n = 20); pronotal width 1.3 – 1.8 mm. Scutellum: subcordate; alutaceous. Elytron: subparallel; lateral margin dentate; apices strongly dentate, individually rounded; with 10 puncture rows; scutellar row absent; intervals 2, 4, and 8 costate for entire length, interval 6 costate at base and apex; elytral length 5.8 – 6.4 mm; elytral width 2.4 – 2.9 mm. Venter: pro-, meso-, metasterna, abdominal sterna 1 and 2 orange in center, black laterally; remainder of abdomen entirely black; abdominal sterna with row of punctures at apex. Leg: femur and tibia punctate. Length: 7.4 – 9.2 mm. Pupa. (from Uhmann 1953). Color bright brown, darkens with age; length less than that of adult. Head: not tuberculate; vertex with fine setae, 1 near antennal base and 2 nd near anterior margin of pronotum; labrum broadly triangular. Antenna: antennomeres distinct until apex, thickened after antennomere 5. Pronotum: with 3 setae on anterior ½; middle ⅓ with fine setae; basal ⅓ with a pair of strong setae in posterior angles; lateral margin on left with 3 setae, on right with 2 setae. Elytron: with ten rows of distinct punctures; costae distinct; apical margin dentate, with minute punctures each with seta. Venter: abdominal sterna 2 – 7 with broken transverse ridge and transverse impression in middle; sterna 4 – 6 with transverse row of six large cone-like setae in middle, setae curved; sternum 7 with transverse row of 8 cone-like setae; sternum 8 with four slender cones, 2 in middle and one in each side angle; sternum 9 with 2 slender cones in each side angle. Leg: with two large setae before apex and short seta on outer margin; ring of 4 setae on apex.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row; by the vertex of the head having a faint medial sulcus; by antennomeres 1 and 2 being subglobose; and by the irregularly punctate disc of the pronotum.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	biology_ecology	Host plant. Canavalia ensiformis DC, C. spontanea (sic), Dioclea sp., Cymbosema sp., Phaseolus sp. (Fabaceae) (Bondar 1929); Solanum auriculatum Rojas (Solanaceae) (Maulik 1937); Calopogonium mucunoides (Silva 1938); Glycine max (Schlottfeldt 1944 b); Mucuna mutisiana DC (Fabaceae) (Uhmann 1953).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	distribution	Distribution. Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Honduras, México, Nicaragua, Panamá, Paraguay, Peru, Trinidad (BWI), and Venezuela. Specimens examined.?: New Amsterdam (BPBM). Argentina. No further data (DEI). Belize. Cayo: El Cayo, 1959 (USNM). Bolivia. Cochabinba: Chapas Villa Gral Roman, i. 1952 (USNM). La Paz: Coroica, Nuasinillo, 12. ii. 1949 (USNM); Coroica nr. Yungas, 27. xii. 1948 (USNM); Puerto Villa, 4300 ’, 26. v. 1989 (FSCA); Sud Yungas, Ocobaya, Finca Colaya, 1. i. 1949 (USNM). Santa Cruz: Buena Vista, iii. 1954 (USNM); Potrerillos del Guenda res., elev. 1322 ft., 6 – 12. i. 2005 (UGAC). Nor. Yungas: La Paz, Pankarani, 17. iv. 2007 (BYUC). Brazil. No further data (DEI).?: Chapada (USNM). Bahia: no further data (BPBM). Distrito Federal: 8 km W Planaltina, 7. x. 1993 (BPBM). Mato Grosso: 8 km W Chapada dos Guimarãesi, 27. x. 1993 (BPBM); Pq. Mae Bonifica, Cuiba, 1. i. 2004 (BYUC). Rondonia: 62 km SW Ariquemes, nr. Fzda. Rancho Grande, 30. iii – 10. iv. 1992 (FSCA), 6 – 15. xii. 1990 (EGRC); Rancho Grande, 15. x. 1993 (BPBM). São Paulo: Jabaquara, 4. ii. 1934 (USNM); 10 mi W Sorocaba, 21. ii. 1980 (EGRC). Colombia.?: La Basa (INSB). Cundinamarca: Anapoima, 9. x. 1965 (USNM); Fusagasuga, 12. vii. 1965 (USNM); Melgar, 11. xi. 1965, 12. vii. 1965, 8. viii. 1965 (USNM); Sassaima, 19. iii. 1965 (USNM); Villeta, 19. iii. 1965 (USNM). Tolima: no further data (DEI); Ibagué (DEI); 10 mi E. Ibaguo, 9. iii. 1955 (CASC). Honda: Tolima, 18. vi. 1965 (USNM). Meta: Restrepo, 2. x. 1965 (USNM); Villavicencio, ix. 85, 18. ix. 1965 (USNM). Costa Rica. no further data (DEI). Cartago: Turrialba (DEI). Guanacaste: Lomas Barbudal Res., 16. vii. 1969 (PMNH). Limón: Hamburg Farm, 5. ix. 1922 (DEI). Puntarenas: 4 km N Tarcoles, 21 – 28. xii. 1979 (LACM); San José: San José (DEI); 5 km SW San Isidro, 7. viii. 1990 (TAMU). Ecuador. Dos Rios: Quevedo, 31. viii. 2002 (USNM). Napo: vic. Puerto Misshuai, 1650 – 1900 ft., 6 – 19. ix. 1998 (FSCA). El Salvador. La Libertad: La Libertad, 10 m, 15. xii. 1972 (FSCA). San Salvador: Santa Tecla, 9. iv. 1957 (USNM). Guatemala. Huehuetenango: Concepcion, 1400 ft. (USNM). Izabal: Quebradas, v. 1919 (USNM). Honduras.?: Tegucigalpa, 3. ix. 1917 (USNM). Morzan: Esc. Agr. Pan., Zamorpano, 2600 ft., 1. vii. 1948 (USNM). Santa Barbara: vic. Agua Azul, 30. v. 1993 (FSCA). México. Colima: Colima (USNM); Colima Vulcano (USNM). Guerrero: Acapulco, 30. vii, vii. 1955 (USNM); 7 mi. W El Ocotito, 16. ix. 1989 (UGAC). Morelos: Cuernavaca (USNM). Tabasco: La Chontalpa, 29. iv. 1973 (USNM). San Luis Potosi: 37 mi S San Luis Potosi, 23. viii. 1981 (CASC). Veracruz: Catemaco, 15. viii. 1979 (USNM); Cordoba, 12. vi, 3. v. 1900, 18. iv. 1900 (USNM); Lake Catemaco, 10 – 18. vii. 1963 (USNM). Nicaragua. No further data (SEAN). Panamá.?: Los Santos Laboratorio, Los Achetines, 3 km E Verado, 23. vi. 1996 (TAMU). Bocas del Toro: 1 km S of oil storage facility, SE of Chiriquí Grande, i. 15.2000 (USNM). Chiriquí: 7 km SE Fortuna Dam, 12. v. 1991, 1100 m (HPSC); 25 mi NW David, 13. v. 1960 (USUC); Lino (DEI); Plan de Chorcha, 29. v. 1993 (EGRC). Panamá: Fort Kobbe, 20. vi. 1976 (USNM), 28. vi. 1974 (FSCA), 1. xi. 1983, 3. xii. 1995 (HPSC); Far Fan Spillway, 15. iii. 1991 (HPSC).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710491633FF074D73FA1BF937.taxon	materials_examined	Paraguay. Caazapa: Sierra de Amambay, xi. 1929 (USNM). Cordillera: Inst. Agro. Nac. Caocape, 17 – 20. i. 1983 (EGRC). Peru. No further data (DEI). Loreto: 100 mi NE Iquitos, 20. iii. 1969 (FSCA); Jungle Amazon Inn, 30 mi E. Iquitos on Amazon River, 30. xii. 1984 – 5. i. 1985 (FSCA). Trinidad: no further data (NHRS). Talparo, 5 – 24. vii. 1989, 7 – 25. vi. 1991 (FSCA); 3.3 mi SSW Talparo, 21. vi. 1991 (FSCA). Venezuela. Aragua: Rancho Grande, Estacion Aragua, vii. 1941 (USNM). Bolívar: Cuidad Bolívar, 28. viii. 1898 (USNM). Mérida: Mérida, 1700 – 2300 m, xi. 1960 (DEI). Monagas: 60 km SE Matuin, 1. vii. 1958 (LACM). Total: 150.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104F1630FF074B06FDECFB5C.taxon	description	(Figure 3) Holotype (♂): Bolivia, Dpt. Santa Cruz, Pua. Ichilo, Buena Vista, x. 1949, coll. Martinez / F. Monros Collection / Holotype Oxychalepus angulatus Staines (red label) (USNM). Paratypes (12, all with Paratype Oxychalepus angulatus Staines (red label )): 1 - same label data as holotype (USNM); 1 -. Bolivia, Santa Cruz: Ichilo, Santa Cruz, Hotel Flora y Fauna, 4 km SSE Buena Vista, 400 – 500 m, 3 – 14. xi. 2003 (USNM); 3 - Bolivia, Santa Cruz, 5 km SSE Buena Vista, Hotel Flora and Fauna, 440 m, W 63 º 39.128 ’ S 17 º 29.925 ’, 10 – 22. X. 2004, J. E. Eger (FSCA); 3 - Bolivia, Santa Cruz, 3.7 km SSE Buena Vista, Hotel Flora and Fauna, 430 m / 14 - 28 - X- 2000, B. K. Dozier collector (FSCA); 2 - Bolivia, Santa Cruz, 3.7 km SSE Buena Vista, Hotel Flora and Fauna, 14 - 19 - X- 2000, M. C. Thomas, tropical transition forest (FSCA); 1 - Bolivia, Santa Cruz, Portreillos del Guendá, 40 km NW Santa Cruz de la Sierra, blacklight, 17 º 40.26 ’ S 63 º 27.44 ’ W, 5 - 20 - XI- 2004, B. K. Dozier (FSCA); 1 - Argentina. Misiones: San Ignaci / Argentina 1968, J. Daguerre coll. (USNM). Description. Head, antennae, scutellum, and legs (except base of femora) black; pronotum and elytra orangish-yellow with black markings; venter yellowish medially, black laterally, abdominal sterna 4 – 5 totally black. Head: vertex trisulcate; medial carina present; clypeus punctate, not projecting. Antenna: reaching to humerus; antennomere 1 subglobose, 2 x length of 2; 2 transverse; 3 – 5 cylindrical, 3 slightly longer than 4 or 5; 6 – 10 transverse, 11 longer than others; 11 acutely pointed at apex. Pronotum: obconic; widest at base; convex; lateral margin bisinuate, slightly angulate in middle; anterior angle with small tooth; posterior angle acute; transverse basal impression present; disc finely, sparsely punctate, with faint medial sulcus; sides strongly, more densely punctate; pronotal length 1.4 – 1.6 mm (n = 13); pronotal width 2.1 – 2.3 mm. Scutellum: quadrate; alutaceous. Elytron: with 10 rows of punctures, scutellar row absent; lateral margin sparsely dentate on basal ½, then more strongly dentate; exterior apical angle rounded, with two large teeth; apical margin strongly dentate; sutural angle slightly emarginate; humerus angulate, slightly produced; intervals 2, 4, and 8 costate, costa 2 strongly produced basally; interval 6 costate at base and apex; elytral length 8.6 – 9.0 mm; elytral width 3.3 – 3.4 mm. Venter: prosternum smooth; meso- and metasterna smooth medially, punctate laterally; abdominal sterna with scattered punctures. Leg: femur and tibia punctate; tibia with row of setae on inner margin and at apex. Total length: 10.9 – 11.1 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104F1630FF074B06FDECFB5C.taxon	etymology	Etymology. From angulus (Latin = corner or angle) for the distinctly angulate lateral margin of the pronotum.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104F1630FF074B06FDECFB5C.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row and having costae 1 and 2 not united near the apex; by the vertex of the head being trisulcate; and by having antennomere 1 subglobose and 2 transverse.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104F1630FF074B06FDECFB5C.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104F1630FF074B06FDECFB5C.taxon	distribution	Distribution. Argentina and Bolivia.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	description	(Figure 4)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	description	Description. Head, antennae, scutellum, and legs black; pronotum and elytra orangish-yellow with black markings. Head: vertex trisulcate, alutaceous; frons punctate, not projecting. Antenna: antennomeres 1 – 2 subglobular, 2 smaller than 1; 3 – 5 transverse, decreasing in length, slightly compressed laterally; 6 – 10 transverse, rounded; 11 acutely pointed at apex. Pronotum: trapezoidal; lateral margin bisinuate; anterior angle with small tooth; posterior angle acute; transverse basal impression present; virtually impunctate; with medial longitudinal black vitta; pronotal length 0.9 – 1.3 mm (n = 20); pronotal width 1.3 – 1.4 mm. Scutellum: subcordate; black; alutaceous. Elytron: lateral margin dentate; apices strongly dentate, cojointly rounded; 10 strong puncture rows plus short scutellar row; tricostate; bulbous black macula at base along suture and apical quarter black; elytral length 4.8 – 6.7 mm; elytral width 2.1 – 2.6 mm. Venter: pro-, meso-, and metasterna orangish in middle, black at sides; abdominal sternite 1 and base of 2 orange; sides of sterna 2 – 5 orange; remainder black. Leg: femur punctate, basal ½ orange, apical ½ black. Total length: 6.3 – 8.7 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	discussion	Remarks. This species can be distinguished by the elytra having a scutellar row; by the pronotum having a basal impression, and with the lateral margin bisinuate.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	biology_ecology	Host plant. Centrosema pubescens Benth., Desmodium sp., Dioclea megacarpa Rolfe (Fabaceae) (Memmott et al. 1994).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	distribution	Distribution. Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, México, and Nicaragua. Specimens examined. No label data: (AMNH). Belize. ??: Ahtum Ha, 19. vii. 1974 (TAMU). Cayo District: Mountain Pine Ridge, 5. i. 1996 (EMEC). Colombia. Tolima: Tolima, v. 1986 (USNM). Costa Rica.?: Gromaco, 1500 ft., Rio Coto Brus, 14. vii. 1963 (BYUC). Guanacaste: Cañas, 13. vii. 1966 (USNM, BYUC); La Pacifica, 4 km W Canas, 28. xi. 1970, 1 – 9. xii. 1974 (EMEC); Palo Verde Station, 29 km WSW Canas, 10. vii. 1970 (CMNC); Playa Hermosa, 6 – 10. vi. 1974 (LACM). Heredia: La Selva Biological Station, viii. 8.1996 (INBio, USNM). El Salvador. Sonsonate: Ishuatan, 15. ix. 1958 (DEI). Guatemala. No further data (USNM).?: El Salto, Escuintla, 28. vi. 1934 (BPBM). Alta Verapaz: Tamahu (DEI, USNM); 8 km E. Tamahu, 700 m, 6. vi. 1993 (CMNC); La Tinta (USNM). Escuintla: San Geronimo (AMNH, PSUC).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57104C163EFF074919FC6DFB97.taxon	materials_examined	Honduras.?: Pedro Sula, iv. 2.1923 (AMNH); 16 km W Siguatepeque, 14. vi. 1979 (EMEC); Tegucigalpa, 30 – 31. vii. 1979 (EGRC). Atlántica: La Ceiba (USNM). Francisco Morazan: Esc. Agr. Pan., Zamorano, 2600 ft., 20. vii. 1948 (USNM). Comayagua: 8 km W Siguatepeque, 2. viii. 1977 (EGRC). Copan: 2 mi S Nueva Arcadia, 2000 ft., 24. vii. 1974 (EGRC). México. No further data (DEI). Campeche: 18.5 mi N Escarceta, 2. viii. 1980 (TAMU). Chiapas: Chilon, iv. 1988 (EGRC); 2 mi S Ixhatan, 16. vi. 1965 (TAMU); 1.5 mi S Lopez Matoes, 21. vii. 1980 (TAMU); 4 mi W. Jacote, 4. iii. 1953 (EMEC); Ocozocuatla, 26. vii. 1952 (EMEC); 20 km N Ocozocuatla, 23. iii. 1990 (TAMU); 2 mi N Rayon, 16. vi. 1965 (TAMU); 6 km S San Fernando, ix. 6.1981 (USNM); Parque Laguna Belgica, 27. v. 1987 (EGRC); 9 km E. Pichucalco, 15. viii. 1962 (EMEC); Portugal, 7 mi SE Simojovel, 17. vii. 1958 (EMEC); Santo Domingo, 15 mi SE Simojovel, 8 – 15. vii. 1958 (EMEC). Colima: 33 mi S Colima, 2000 ft., 27. vi. 1966 (BYUC); 22 km E Minatitlán, 670 m, 19. vii. 1993 (UICM); Colima Vulcano, 25. vi. 1918 (USNM), 1918 (USNM, DEI), no date (USNM, DEI). Guerrero: Hwy. 200 ca. 2 km NE Acapulco, 1000 ft., 5. vii. 1990 (EGRC); 2.5 mi NE Cacahuampila, 6. vii. 1974 (TAMU); 2.1 mi NW Cacahuampila, 27. viii. 1976 (TAMU); 2 mi N Cacahuampila, 26 – 27. vii. 1983 (TAMU); 3.3 km NW Coachumba, 1495 m, 16. vii. 1999 (UICM); 6 km W El Veintidos, 16 – 22. ix. 1989 (FSCA); 11.2 mi N Iguala, 4300 ft., 5. vii. 1987 (BYUC); 2 mi E. Ocolito, 11. vii. 1985 (TAMU); 3.5 km S Petaquilas, 1280 m, 29. vi. 1992 (UICM); 14 mi S. Petaquilas, 23 – 24. vi. 1983 (FSCA); hwy. 134, 36.2 km NW jct. hwy 200, 14. vii. 1985 (UICM); nr. Texaca off Hwy. 95, vii. 5.1990 (UICM, USNM); Balzas (DEI); 6 mi E Xachipala, 3500 ft., 5 – 6. vii. 1987 (TAMU); 3 km S Xalita, 600 m, 1. vii. 1992 (EGRC). Jalisco: 7 mi NE Barra del Navidad, 25. vii. 1963 (LACM); 20 km S El Tuito, 13 – 19. vii. 1993 (TAMU); 21 km NW El Tuito, 25. vii. 1990 (UICM); Est. Biol. Chamela, 8 – 16. vii. 1985 (EMEC); Las Palmas, 24. vii. 1990 (UICM); Puente San Pedro, 8 km S Texaciliatin, 1190 m, 8. x. 1999 (UICM); Cuernavaca, 8 – 13. xi. 1987 (USUC); Puerto Vallarta, 7. vii. 1992 (USNM); 38.8 mi S. Puerto Vallarta, 9. vii. 1982 (USNM); 1 mi N Tequila, 19. vii. 1954 (EMEC); 4 mi SE El Tuito, 1200 ft., Hwy. 200, 10. viii. 1982 (EGRC); 10 mi S. Tuito, 24. vi. 1983 (FSCA). Michoacan: 2 mi N La Mira, 13. vii. 1984 (TAMU). Morelos: 6 km E Cuernavaca, 1. ix. 1974 (USUC); 5.1 mi E Cuernavaca, 28. vi. 1973 (TAMU); 10 mi E Cuernavaca, 8. vii. 1974 (TAMU); Pte. De Ixtia (USNM). Nayarit: Arroyo Santiago, nr. Jesus Maria, 5. vii. 1955 (EMEC, USNM); Compostela, 25. vii. 1984 (FSCA); 13 mi SW Compostela, 1. vii. 1983 (FSCA); vic. Compostela, 10. vii. 1933 (LACM); El Pichon, 25. vi. 1963 (EMEC); Jesus Maria, vii. 1955, 26. vi. 1955 (EMEC, USNM); Jesus Maria, 26. vi. 1955 (CMNH, EMEC), 6. vii. 1955, 7. vii. 1955, 27. vii. 1955 (EMEC, NCSU); La Mesa de Nayarit, 21. vii. 1955, 19. vii. 1955 (EMEC); Las Varas, 21. vii. 1990 (UICM); Rosamonda, vii. 24.1954 (AMNH); San Blas, 5. vii. 1972 (FSCA); 14 mi E San Blas, 21. iii. 1954 (EMEC); 10 – 15 mi NE San Blas on Rt. 54, 24. viii. 1983 (FSCA); 5.7 mi NE San Blas, 21. vii. 1963 (LACM); 7 mi E. San Blas, 17. vii. 1982 (USNM); 15 mi E San Blas, 800 ft., 12. vii. 1966 (BYUC); Tepic, 3. ix. 1971 (USNM); 12.4 mi NW Tepic, 18. vii. 1984 (FSCA); 18 mi S. Tepic, 16. vii. 1982 (USNM);. Oaxaca: 5 mi S Candelaria Loxicha, 18 – 19. vii. 1974 (TAMU); 9 km SE El Cameron, 2. vi. 1974 (EGRC); 8.3 mi SE El Cameron, 24. vii. 1974 (TAMU); 17 mi. S. Loma Bonita, 6. i. 1951 (AMNH, USNM); Tehuantepec, 9. ii. 1952 (EMEC); Temascal, 5. xi. 1963 (EMEC); 10 mi. S. Villa Azueta, 6. i. 1951 (AMNH). San Luis Potosi: Chapaderos, 17. x. 1985 (EGRC); 21 mi S Cd. Valles, 22. viii. 1974 (TAMU); El Salto, 7. viii. 1967 (TAMU); Huichihuayan, 8. viii. 1967 (TAMU); 8 mi E Tamazunchale, 14 – 15. iii. 1987 (TAMU). Sinaloa: 24 mi E. Villa Union, 24. vii. 1964 (EMEC); 26 mi E Villa Union, 5. viii. 1964 (EMEC); 36.6 mi. NE Villa Union, nr. La Capolla Detaxte, 2. vii. 1982 (USNM); 12 mi SE Escuinapa, 14. viii. 1965 (TAMU); 50 mi NE Mazatlan, 9. ix. 1970 (USUC). Tabasco: Cardenas, 6 – 14. vii. 1981 (EMEC); 10 mi E Cardenas, 12. vi. 1965 (TAMU); Teapa, ii (AMNH, BPBM, DEI), iv (DEI); 14 mi SE Villahermos, 8. ix. 1968 (TAMU). Tamulipas: Bocatoma, 30 – 31. xii. 1980, 5 – 7. i. 1981, 25 – 30. iii. 1978 (EGRC); along road to El Cielo, 21. v. 1979 (EGRC); Rancho de Cielito, 24 – 25. iii. 1980 (EGRC); Est. Biol. Los Cedros, Gomez Farias, 350 m, 26 – 30. vii. 1993 (TAMU); vic. Gomez Farias, 1. vi. 1982 (UGAC); Rio Sabinas, Rancho Cielito, 14 – 15. iv. 1984 (TAMU). Vera Cruz: 10 mi NW Acayucan, 21. vi. 1953 (EMEC); Catemaco, 21. iv. 1953, 1. vii. 1975 (USNM, USUC), 2. vi. 1981 (USNM), 17. x. 1985, 15. vi. 1974 (EGRC), 25. viii. 1959 (EMEC); 7 mi SE Catemaco, 21. vi. 1953 (EMEC); 10 mi S Catemaco, 1. vii. 1964 (EMEC); vic. Catemaco, Lake Catemaco, 6 – 7. viii. 1964 (LACM), 7. vii. 1985 (EGRC); Cotaxtla Esp. Stn., 23. vi. 1962, 24. vi. 1962, 22. vii. 1962, 5. vii. 1962 (EMEC); Cordova (USNM); Cuidad Akman, 24. ix. 1948 (EMEC): Dos Rios, SW Jalapa, 1. x. 1976 (TAMU); El Palmar, 10 mi. W. Tezonapa, 31. xii. 1950 (AMNH); Fortin de las Flores, Sunuderim 2500 – 3000 ft., 17. v. 1965 (FSCA); 1 mi W Fortin de las Flores, 2. vii. 1962 (EMEC); Hueyapan, 16. ii. 1954 (USNM); 3 mi E Jalapa, 24. x. 1979 (EGRC); 5 mi SE Jalapa, 10. x. 1976 (TAMU); 7 mi SW Minatitlán, Hwy. 200, 2. viii. 1974 (EGRC); 2 mi S LosMangos, 17 – 25. vi. 1985 (TAMU); Ojo de Agua, vi. 1939 (TAMU); 8 mi W Palma Sola, 26. iii. 1974 (TAMU); 1 mi W Papantla, 28. vi. 1971 (TAMU); Rt. 180 near Zapopan, 4. vii. 1963 (FSCA). Yucatan: Chichen Itza, 20. vii. 1952 (AMNH), 9. i. 1974 (RMSEL). Nicaragua. Chontales (SEAN). Total: 414.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571042163FFF074866FD3DFD27.taxon	description	(Figure 5)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571042163FFF074866FD3DFD27.taxon	description	Description. Oblong, subopaque; head, scutellum, and legs black; pronotum with spot on anterior margin and a reddish triangular macula on each side; elytra black, with two transverse yellow bands, one basal and another postmedial, united by a discal band; venter black. Head: vertex of the head with transverse depression behind eyes; vertex trisulcate, medial sulcus faint; clypeus subquadrate, with confluent tubercles; frons punctate, not projecting. Antenna: antennomeres 1 and 2 thick, transverse, subequal in length and width; 3 – 5 cylindrical, subequal in length, sulcate; 6 – 10 transverse; 11 pointed at apex; 1 – 4 glabrous; 5 – 11 with gray setae. Pronotum: obconic; lateral margin straight, sinuate at base and apex; anterior angle with rounded tooth; surface sparsely, irregularly punctate, slightly canaliculate; medial transverse basal impression distinct; with distinct microsculpture between punctures; slightly narrower than elytra; at base twice as wide as long; pronotal length 0.9 – 1.0 mm (n = 21); pronotal width 1.7 – 2.0 mm. Scutellum: subcordate; alutaceous. Elytron: lateral and apical margins densely denticulate; apical margin with 3 – 4 large frequently curved teeth; with 10 rows of punctures, scutellar row absent; intervals 2, 4, and 8 costate; costae 1 and 2 unite on apical ¼; 3 visible at base; 4 complete, weak; apical angle subemarginate; elytral length 5.3 – 5.9 mm; elytral width 2.4 – 2.6 mm. Venter: prosternum smooth; meso- and metasterna smooth medially, punctate laterally. Leg: femur and tibia punctate; metatibia of male without tooth. Length: 6.0 – 8.6 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571042163FFF074866FD3DFD27.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row; with the vertex of the head being trisulcate; by antennomeres 1 – 2 being transverse; and by the lateral margin of the pronotum being sinuate at base and apex while straight in the middle.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571042163FFF074866FD3DFD27.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571042163FFF074866FD3DFD27.taxon	distribution	Distribution. Argentina, Brazil, and Ecuador. Specimens examined. No label data (USNM, DEI). Argentina. Buenos Aires: Buenos Aires (INSB). Misiones (USNM). Bolivia. Santa Cruz: Santa Cruz, 28. xi. 1972 (USUC). Brazil. no label data (DEI). Goyaz: Campinas, i. 1938, ii-iii- 1938 (DEI); Jatahy (USNM, DEI); Susuapara (USNM); S. José de Tocantins, Rio São João, 22. vi. 1942 (USNM). Minas Gerais: nr. Timoteo, 1 – 15. vi. 1999, 30. x. 1999 (USUC). Rondonia: 62 km SE Ariquemes, 15 – 22. iii. 1991, 13 – 25. iv. 1992 (USUC), 11 – 22. xi. 1991 (UNLC). Ecuador. Pichincha: Tinalandia, nr. St. Domingo, vii. 1983 (USUC). Total: 21.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163FFF074F16FC69F891.taxon	description	(Figure 6)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163FFF074F16FC69F891.taxon	description	Description. Head and scutellum black; pronotum orange with large circular black medial spot, some specimens with lateral margins black; elytra orange with apical ¼ black, anchor-like marking entire or interrupted; venter black with sides of abdomen with small lateral spot on each side, lateral sternite orange. Head: vertex trisulcate; frontal carina straight; clypeus subquadrate, with longitudinal elevations; frons punctate, not projecting. Antenna: antennomeres 1 – 2 transverse, robust; 3 – 5 cylindrical, subequal in length; 6 shorter than 5; 11 as long as 3 – 6 combined. Pronotum: transverse; lateral margin slightly angulate in middle, convergent to apex; anterior angle rounded, without tooth; surface with microsculpture, less so basally; transverse basal impression indistinct; punctures small, indistinct; pronotal length 1.3 – 1.4 mm (n = 7); pronotal width 2.0 – 2.1 mm. Scutellum: subcordate; alutaceous. Elytron: 10 rows of punctures plus short scutellar row; lateral margin densely dentate on basal ½, apical ½ with large and small teeth; exterior apical margin rounded with large teeth; intervals 1, 2, and 8 costate, costa on interval 8 interrupted in middle, interval 6 costate at base and apex; elytral length 6.3 – 7.0 mm; elytral width 3.0 – 3.7 mm. Venter: abdominal sterna alutaceous laterally. Leg: femur and tibia punctate; protibia of male with small tooth; metatibia simple. Total length: 7.0 – 9.0 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163FFF074F16FC69F891.taxon	discussion	Remarks. This species can be distinguished by the elytra having a scutellar row and by the pronotum with a basal impression.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163FFF074F16FC69F891.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163FFF074F16FC69F891.taxon	distribution	Distribution. Brazil and Paraguay. Specimens examined. No label data (DEI).?: Pindapoy, i. 1943 (USNM). Brazil. Amazonas: Berba Rio Madeira, ii. 1943 (USNM, DEI). Minas Gerais: Vicosa, 7. xii. 1933 (USNM). Rondonia, 62 km SE Ariquemes, 13 – 25. iv. 1992 (USUC). Paraguay. Alto Parana: Hohenau (DEI). Total: 7.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163CFF074B5BFE49FB69.taxon	description	(Figure 7)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163CFF074B5BFE49FB69.taxon	description	Description. Elongate; parallel-sided; head vertex black with anterior ⅓ reddish; pronotum orange with 3 black vittae; elytra orange with apical ¼ black, sutural vitta and scutellar spot black; venter black with orangish markings; legs black with base of femora orange. Head: vertex with deep medial sulcus; frontal carina straight; clypeus with irregular small elevations; frons punctate, not projecting. Antenna: antennomeres laterally compressed; antennomere 1 large, subglobose; 2 transverse, ½ length of 1; 3 transverse, nearly as long as 1 and 2 combined; 4 – 5 cylindrical, 4 longer than 3; 6 – 10 transverse, decreasing in length; 11 longer than 10, pointed at apex; 6 – 10 convex dorsally (in lateral view). Pronotum: lateral margin slightly convergent on basal ⅔, sinuate on apical ¼; anterior angle rounded; transverse basal impression distinct; surface deeply punctate; area between punctures with microsculpture except at base; pronotal length 1.3 – 1.5 mm (n = 11); pronotal width 1.7 – 1.9 mm. Scutellum: subcordate; alutaceous. Elytron: lateral and apical margins irregularly serrate; external apical angle rounded, with small teeth; apical margin with two teeth; with 10 rows of punctures plus short scutellar row; intervals 2, 4, and 8 costate, costae on intervals 2 and 4 become less pronounced apically, interval 6 costate at base and apex; elytral length 8.2 – 8.6 mm; elytral width 2.9 – 3.1 mm. Venter: pro- and metasterna smooth medially, punctate laterally; mesosternum and abdominal sterna smooth medially, alutaceous laterally. Leg: protibia of male with large tooth; metatibia abruptly enlarged at apex in males. Total length: 9.5 – 10.4 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163CFF074B5BFE49FB69.taxon	discussion	Remarks. This species can be distinguished by the elytra having a scutellar row; the pronotum with a basal impression and with the lateral margin slightly convergent from basal ⅔ then sinuate to apex.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163CFF074B5BFE49FB69.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571043163CFF074B5BFE49FB69.taxon	distribution	Distribution. Brazil, Paraguay, and Venezuela. Specimens examined. Brazil. Bahia: no further data (INSB). Espirito Santo: Linharce, 24 – 30. x. 1972 (LACM). Minas Gerais: nr. Timotea, 19 – 26. ix. 1996, 1 – 15. v. 1999 (USUC). Santa Catarina: Nova Teutonia, xi. 11.1965 (USNM), xi. 1967, i. 1974 (BPBM). Paraguay. Paraguarí: Sapucay (USNM). Venezuela. Vargas: La Guayra (DEI). Total: 11.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571040163AFF074943FF5FFF4C.taxon	description	(Figure 8)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571040163AFF074943FF5FFF4C.taxon	description	Description. Oblong; parallel-sided; head and antennae black; pronotum yellow, with a medial band attenuate forward and two narrow lateral ones, black; scutellum black; elytra black, with an oval humeral macula and a postmedial band of unparallel borders, yellow; base of the femora yellow (there are forms with the femora entirely yellow and others with the femora entirely black); venter black, with yellow maculae. Head: vertex with three shallow interocular sulci, of which the central one, in its anterior part, is transformed into a carina; eyes slightly prominent. Antenna: antennomeres 1 and 2 subglobose; 3 and 4 of similar length and larger than 2; 5 and 6 similar to each other, shorter than the preceding; 7 similar to 6, its suture with 8 poorly defined; 9 – 11 difficult to distinguish; 11 very sharp pointed at apex; 3 to 6 longitudinally striate. Pronotum: transverse, convex; conic; coarsely deeply punctate; with a shallow longitudinal medial sulcus; lateral margin bisinuate; anterior angle with small tooth; pronotal length 1.0 – 1.1 mm (n = 20); pronotal width 1.8 – 2.0 mm. Scutellum: transverse; posteriorly rounded. Elytron: lateral margin serrate; exterior apical angle strongly dentate with four strong and robust teeth; widely and cojointly rounded at the apex; costae 1 and 2 parallel, wide in the anterior ½ and narrower in the posterior ½; 3 visible in the humerus and in the apex; 4 narrower than 2; with 10 rows of punctures, scutellar row absent; row of punctures between costae 2 and 4 somewhat confused in middle; elytral length 6.7 – 6.9 mm; elytral width 2.2 – 3.0 mm. Total length: 6.1 – 9.6 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571040163AFF074943FF5FFF4C.taxon	discussion	Remarks. This species is distinguished by the elytra without a scutellar row; by the vertex of the head being trisulcate; and by antennomeres 1 and 2 being subglobose.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571040163AFF074943FF5FFF4C.taxon	biology_ecology	Host plants. Inga affinis DC. (Mimosaceae) (Uhmann 1938 b); Solanum auriculatum (Solanaceae). Canavalia ensiformis, C. spontanea, Dioclea sp., Cimbosema sp., Phaseolus sp. (Fabaceae) (Monrós & Viana 1947).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571040163AFF074943FF5FFF4C.taxon	distribution	Distribution. Argentina, Bolivia, Brazil, Colombia, French Guyana, Paraguay, Peru, Suriname, and Venezuela. Specimens examined.?: St. Augustine, Trinidad (USNM). Argentina. Buenos Aires: Buenos Aires (USNM); Tigre, 20. xi. 1938 (USNM). Bolivia. No further data (INSB, DEI). La Paz: Calisaya (USNM); Chuani (USNM); Chulumani, 10 – 23. iii. 2001 (USUC); Coroico (DEI); Huachi (USNM); Tumupasa, xii (USNM); Sud Yungas, Puente Villa, 4300 ft., 19 – 24. v. 1989 (FSCA); Sud Yungas, 4 km W Chulumani, 5200 ft., 25. v. 1989, 26. v. 1989, 27. v. 1989 (FSCA). Pando: Loma Alta, 22. i. 1957 (USNM). Santa Cruz: Buena Vista, 20. ii. 1999 (FSCA); Santa Cruz, 12. iii. 1957; Hotel Flora y Fauna, 4 – 6 km SSE Buena Vista, 400 – 500 m, xi. 10.2003, xi. 13.2003 (USNM), 2 – 13. ii. 2000, 14 – 28. x. 2000 (FSCA); 5 k ESE Warnes Hotel, Rio Selva, 3 – 4. xi. 2001 (FSCA). Brazil. No further data (INSB, USNM, DEI); Campina, iii. 1924 (BPBM); Santarem (USNM). Goyas: Campinas (DEI); Jatahy (USNM, DEI). Matto Grosso: Corumba (DEI); Serra do Urucum, Corumba, 25. xi. 1960 (DEI). Minas Gerais: Lambary, 26. xii. 1926, xi. 1924 (USNM); Piracicaba, ii. 1924 (BPBM). Pernambuco: Recife, 1936 (USNM). São Paulo: (DEI); Campinas, iii. 1919 (USNM); Horto Flor., i. 1922, zii. 1923 (USNM); Cantareira, 25. xii. 1939 (USNM); São Paulo (DEI). Rio Grande do Sul: Santaremzinho, Itaitura (DEI). Rondonia: 62 km S Ariquemes Fazenda Rancho Grande, 29. ix – 10. x. 1992, 19 – 29. ix. 1996 (LACM). Santa Catarina: Nova Teutonia, various dates (BPBM). Ecuador. Pichincha: 47 km S. Sto. Domingo, Rio Palenque Sta., 23 – 31. vii. 1978 (CMNC). Paraguay. No further data (DEI). Alta Parana: Hohenau (DEI). Pres. Bocas, ii. 1937 (INSB, DEI). Peru. Cuzco: Alfamayo, 40 km SE Quillabamba, 8. i. 1979 (USNM); Quillabamba, 4. ii. 1979 (USNM). Ica: Valle Chanchamayo, 800 m, 10. vii. 1939 (DEI); Moyobamba, San Martin, 1800 ft., xii. 19.1946 (AMNH). Lima: Callanga (DEI). Madre de Dios: Zona Reserva Manu, Pakitza, 400 m, 4 – 9. iii. 1992 (USNM). Suriname. Marowijne: Fluss, xi. 1907 (DEI). Paramaribo: Paramaribo (USNM, DEI). Venezuela. Apure: 3 km E. Achuges, 18. iii. 1982 (USNM). Bolivar: 19 km SE Upata, 20. iii. 1982 (USNM). Carabobo: Lago de Valencia, 15. iv. 1972 (USNM). Cojedes: 10 km E. Apartaderos, 15. iii. 1982 (USNM). Guárico: Hato Masaguaral, 44 km S. Calabozo, 11 – 19. v. 1985 (USNM), 11 – 19. v. 1985 (BPBM); San Juan de los Morros, 26. iv. 1938 (USNM). Miranda: Estato Miranda, 7. vi. 1939 (USNM). Tácira: 700 m, 40 km SE Cristobal, 19. v. 1974 (CMNC); 500 m, 47 km SE San Cristobal, 21. v. 1974 (CMNC). Total: 209.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571047163BFF074C93FB32FB54.taxon	description	(Figure 9)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571047163BFF074C93FB32FB54.taxon	description	Description. Elongate; robust; reddish-yellow; head, antennae, and legs (except base of femora) black; pronotum and elytra with black markings. Head: vertex trisulcate; interocular space strongly produced, with short, strong carina; frons punctate, not projecting. Antenna: ⅓ body length; filiform; antennomere 1 subglobose, larger and wider than 2; 2 transverse, short; 3 cylindrical, as long as 1 and 2 combined, sulcate; 4 – 6 cylindrical, each shorter than preceding; 7 – 10 transverse, each shorter than 6; 11 longer than 10, acutely pointed at apex. Pronotum: subconical, transverse, convex; lateral margin bisinuate; anterior angle with rounded tooth; transverse depression on disc at base; torulose on each side; disc coarsely, irregularly punctate; pronotal length 1.3 – 1.4 mm (n = 8); pronotal width 1.9 – 2.2 mm. Scutellum: subcordate; punctate. Elytron: expanding to apex; lateral margin serrate, more coarsely so apically; exterior apical angle with two large teeth; apical margin dentate, teeth not large; sutural angle rounded; with 10 rows of punctures, scutellar row absent; intervals 2, 4, and 8 costate from base to apex, interval 6 costate at base and apex; humerus produced, rounded; elytral length 7.9 – 8.3 mm; elytral width 3.0 – 3.1 mm. Venter: pro-, meso-, and metasterna smooth in middle, punctate laterally; abdominal sterna smooth. Leg: femur punctate; tibia with row of setae on inner margin and tuft of setae at apex. Total length: 10.1 – 10.4 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571047163BFF074C93FB32FB54.taxon	discussion	Remarks. This species is distinguished by the elytra without a scutellar row, elytral costae 1 and 2 do not unite near apex; the vertex of the head is trisulcate; antennomere 1 is subglobose while 2 is transverse; the disc of the pronotum is coarsely and irregularly punctate and the lateral margin is bisinuate.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571047163BFF074C93FB32FB54.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A571047163BFF074C93FB32FB54.taxon	distribution	Distribution. Brazil. Specimens examined.?: Santos (DEI). Brazil. No further data (DEI). Goyaz: Jatahy (USNM). Minas Gerais: Lambary, xi. 1926, xi. 1924, x. 1926 (USNM). Parana: Caviuna (USNM). Total: 8.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710471638FF074921FD58FCEC.taxon	description	(Figure 10)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710471638FF074921FD58FCEC.taxon	description	Description. Elongate; yellowish-red; head black with vertex yellowish-red; antennae black; pronotum with lateral margins black; elytra yellowish-red with suture at base darker; legs black with base of femora yellow; venter yellowish medially, black laterally. Head: frons carinate; vertex sulcate, alutaceous. Antenna: less than ½ body length; antennomere 1 large, subglobose; 2 transverse, short; 3 – 6 cylindrical, decreasing in length; 7 – 10 transverse; 11 pointed at apex; 1 – 7 punctate, glabrous; 8 – 11 setose. Pronotum: transverse, convex; conic; lateral margin bisinuate; anterior angle with tooth; transverse basal impressions distinct; surface irregularly punctate, more dense laterally; pronotal length 1.1 – 1.4 mm (n = 20); pronotal width 1.8 – 2.1 mm. Scutellum: subcordate; alutaceous. Elytron: elongate; subquadrate; lateral and apical margins serrate; exterior apical angle rounded, strongly serrate; apical angle rounded; intervals 2, 4, and 8 costate, interval 6 costate at base and apex; with 10 rows of punctures, scutellar row absent; elytral length 7.7 – 8.1 mm; elytral width 2.9 – 3.0 mm. Venter: smooth medially, alutaceous laterally. Leg: femur and tibia punctate. Total length: 8.7 – 10.5 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710471638FF074921FD58FCEC.taxon	discussion	Remarks. This species is distinguished by the elytra without a scutellar row and without black markings.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710471638FF074921FD58FCEC.taxon	biology_ecology	Host plants. From label data adults have been collected on bromeliads (Bromeliaceae) and Cassia sp. (Fabaceae: Caesalpinoidea).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710471638FF074921FD58FCEC.taxon	distribution	Distribution. Brazil, Caribbean (?), Costa Rica, México, Panamá, and Venezuela. Specimens examined. Antilles. No further data (INSB). Costa Rica. Puntarenas: San Luis, 1100 m, 13 – 16. iv. 2000 (UICM). México.?: at Nogales, 20. xii. 1968 (USNM). Sinaloa: 38.7 mi. N. Concordia, Rte. 40, 5000 ft., 12. i. 1966. Panamá. No further data (DEI); Canal Zone, ix. 1938 (DEI); 9 km NE Chepo, 11. xi. 1972 (BYUC); Rio Indioa, 27. xii. 1936 (PSUC); Trinidad River, 2. v. 1911 (USNM). Chiriquí: Bugabá (AMNH, USNM, PSUC); Cerro Azul, 16. xii. 1961, 19. xii. 1961 (UICM); Barro Colorado Island, various dates (AMNH, WSUC, CMNC, USNM, PSUC, EGRC); vic. Hornito, 4200 ft., 14 – 18. v. 1996 (TAMU); Volcan de Chiriquí (DEI), 1901 (USNM). Coclé: 5 mi W Gamboa, 23. i. 1973 (BYUC). Colón: Fort Sherman, 20. x. 1984 (EGRC); PNAR Lago Gatun, 27. vii – 12. viii. 1999 (TAMU); Gatun Lake, near R. Trinidad, 25 – 27. iii. 1920 (USNM); Madden Forest, 28. vi. 1976, 20. xii. 1980 (EGRC). Darien: PN Darien Cana, 14. iii. 1984 (EGRC). Panamá: Fort Kobbe, 15. vi. 1976 (EGRC); Pipeline Road, 19 – 23. iii. 1982 (USUC); N. Summit Bot. Gard., P. N. Soberania, 12. vii. 1995 (BYUC). Venezuela. Zulia: Los Angeles de Tucuco, 15 – 16. iv. 1981 (USNM); San Esteban, nr. Oerto Cabelio, 1 – 6. xii. 1939 (USNM). Total: 82.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710441639FF074FC9FC84FF4C.taxon	description	(Figure 11)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710441639FF074FC9FC84FF4C.taxon	description	Description. Pronotum orangish with medial stripe and lateral margins black; elytra with apical ¼ black and basal anchor-shaped black markings; venter black with orangish markings; pro-, meso-, and metasterna, and abdominal sterna 1 – 2 yellowish medially, black laterally; abdominal sterna 3 – 8 black; base of femora orange. Head: vertex with medial sulcus and sulcus on inner margin of each eye, frontal carina straight; clypeus with globose elevations. Antenna: reaching to humeri; slightly compressed laterally; antennomere 1 large, subglobose; 2 transverse, small; 3 – 4 cylindrical, elongate; 5 cylindrical shorter than 4; 6 – 10 transverse; 11 pointed at apex; 1 – 2 with scatter setae; 3 – 7 sulcate; 8 – 11 setose. Pronotum: obconic, convex; lateral margin slightly sinuate at base and apex; anterior angle with rounded tooth; punctures shallow, absent on disc; transverse basal impression distinct; with faint medial longitudinal sulcus; pronotal length 0.9 – 1.1 mm (n = 7); pronotal width 1.4 – 1.7 mm. Scutellum: longer than wide; alutaceous. Elytron: lateral margin finely toothed basally, teeth less dense but larger apically; apical margin truncate, with large tooth in exterior apical angle and at end of carina 2; with 10 rows of punctures, scutellar row absent; carinae 1 and 2 straight, carina 3 from humerus to apical ¼; elytral length 5.1 – 6.4 mm; elytral width 2.1 – 2.6 mm. Venter: pro-meso, and metasterna smooth medially, rugose laterally; abdominal sterna slightly rugose laterally. Leg: protibia of male with large tooth. Total length: 6.5 – 8.3 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710441639FF074FC9FC84FF4C.taxon	discussion	Remarks. This species is distinguished by the elytra without a scutellar row; by the vertex of the head being trisulcate; by antennomere 2 being transverse; and by the disc of the pronotum being impunctate.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710441639FF074FC9FC84FF4C.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710441639FF074FC9FC84FF4C.taxon	distribution	Distribution. Brazil, Ecuador, Peru, and Trinidad (BWI). Specimens examined. Brazil. Amazonas, Benjamim Constant (Rio Javari) (MZUP). Matto Grosso, 17 – 22. iii. 1977 (EGRC). Pará: Utinga Belem, 10 – 22. xi. 1963 (AMNH). Rondonia: “ Ahrenhoiz ” Trail off B- 65, 3 km N linea c- 20, 21. iii. 1991 (BYUC). Ecuador. Napo: Tena, 24. v. 1977, 27. v. 1977 (USNM). Peru. Cuzco: Quillabamba, 4. ii. 1979 (USNM). Huanuco: Tingo Maria, Monzon Valley, 23. ix. 1954 (CASC). Trinidad. St. Andrew: near Valencia, 23. iii. 1985 (USNM). Total: 9.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451639FF074D29FBDAFB21.taxon	description	(Figure 12)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451639FF074D29FBDAFB21.taxon	description	Description. Pronotum orangish with medial and two lateral black stripes; elytra with apical ¼ black and black basal anchor-shaped marking; venter black with yellow in front; pro-meso-, metasterna, and abdominal sterna 1 – 3 yellowish medially, black laterally; abdominal sterna 4 – 8 black with yellow lateral margins; legs black, coxae yellow. Head: vertex with medial sulcus plus sulcus on inner margin of each eye; frontal carina straight; clypeus rugose, with small elevations. Antenna: slightly compressed laterally; antennomere 1 subglobose, twice length of 2; 2 transverse; 3 – 4 cylindrical, subequal in length; 5 – 10 transverse; 11 pointed at apex. Pronotum: lateral margin slightly convergent on basal ½, strongly constricted on apical ¼; basal impression distinct; punctures shallow, indistinct; surface totally covered with microsculpture; with faint medial longitudinal sulcus; pronotal length 1.4 mm (n = 1); pronotal width 2.3 mm. Scutellum: trapezoidal, posterior margin rounded. Elytron: with 10 rows of punctures, scutellar row absent; carinae 1 and 2 united apically; lateral margin with small teeth basally, larger ones apically; apical margin with large tooth in exterior apical angle and smaller tooth at end of puncture row 6; elytral length 7.5 mm; elytral width 2.8 mm. Leg: protibia of male with large tooth; metatibia with inner margin enlarged apically. Total length: 9.1 – 10.4 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451639FF074D29FBDAFB21.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row; by the vertex of the head being trisulcate; by antennomere 1 being subglobose while 2 is transverse; and by the lateral margin of the pronotum being slightly convergent on basal ½ then strongly constricted on apical ¼.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451639FF074D29FBDAFB21.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451639FF074D29FBDAFB21.taxon	distribution	Distribution. Brazil. Specimens examined. Brazil. Mato Grosso: Rosário Oeste (MZSP). Total 1.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451627FF07490BFD9EFC7C.taxon	description	(Figure 13)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451627FF07490BFD9EFC7C.taxon	description	Wilcox 1975: 143 (faunal list); Maes & Staines 1991: 38 (faunal list); Staines 1996 (1997): 43 (Nicaragua species); Hespenheide & Dang 1999: 380 (host plant); Maes 1998: 1021 (faunal list); Santiago-Blay 2004: 72 (host plants). Oxychalepus postdatus (Baly) (sic). Memmott et al. 1994: 535 (host plant). Description. Antennae and legs black; head black with orangish spot near base of antennae; pronotum orangish with black medial vitta; elytra orangish with basal black sutural vitta and apical ¼ black; venter with medial area of pro-, meso, and metasterna plus medial area of abdominal sterna 1 and 2 yellowish-orange, remainder black. Head: vertex trisulcate; frontal carina distinct; frons strongly produced between eyes; vertex opaque. Antenna: ½ length of body; robust, rigid; slightly compressed laterally; antennomeres 1 – 2 short, 1 submoniliform, 2 turbinate; 3 – 4 each subequal in length to 1 – 2 combined; 11 acutely pointed at apex. Pronotum: transverse; lateral margin slightly rounded, converging from base to apex, some specimens obsoletely angulate just before middle; anterior angle with tooth; transverse basal impression, with large, shallow punctures; lateral margin and discoidal vitta black; pronotal length 1.3 – 1.5 mm (n = 20); pronotal width 2.1 – 2.4 mm. Elytron: lateral margin gradually expanded from base towards apex, distinctly serrulate; apices regularly rounded; apical margin with several short, acute spines; with 10 regular, deep puncture rows, scutellar row absent; interspaces 2 and 3 strongly costate; sutural vittae at base and large apical spot black; elytral length 7.9 – 9.1 mm; elytral width 3.0 – 3.3 mm. Venter: abdominal sterna with row of punctures at apex. Leg: femur and tibia punctate. Total length: 10.0 – 11.6 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451627FF07490BFD9EFC7C.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row; by the vertex of the head being trisulcate; and by antennomeres 1 and 2 being cylindrical.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451627FF07490BFD9EFC7C.taxon	biology_ecology	Host plant. Cassia oxyphylla Kunth. (Uhmann 1937 a); C. hayesiana Standl. (Memmott et al. 1994), C. fruticosa (Hespenheide & Dang 1999) (Fabaceae: Caesalpinoidea).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710451627FF07490BFD9EFC7C.taxon	distribution	Distribution. Brazil, Costa Rica, Nicaragua, and Panamá. Specimens examined. No label data (BPBM). Brazil. Santos (DEI). Costa Rica. No data (DEI).?: Santa Clara, 28. vii. 1936 (USNM). Alajuela: 8 mi W Atenas, 26. vii. 1990 (EMEC); Los Chiles, Caño Negro, 0 – 100 m (INBio); 20 km S Upala, 14 – 17. viii. 1970, 21 – 31. viii. 1991 (USUC). Cartago: Turrialba (DEI), 5. vi. 1951, 11. ix. 1966 (USNM). Guanacaste: Canas, 150 ft., 13. vii. 1966 (BYUC); La Cruz, P. N. Guanacaste, 600 – 700 m (INBio); Liberia, P. N. Rincón de la Vieja, 800 – 900 m (INBio); Liberia, P. N. Santa Rosa, 200 – 300 m (INBio); El Hacha, P. N. Guanacaste, 300 m, 27. vii. 1987 (USNM); 30 km SE R. Naranjo, 20. xi. 1991, v. 1992 (USUC); San Carlos (USNM). Heredia: Chilamite, 18 – 23. viii. 1988 (USUC); Horquetas, 0 – 100 m (INBio); La Selva Biol. Sta., 50 m, 17. ii. 1970 (CMNC), 6 – 11. vii. 1993 (LACM), 27. iii. 1998, 10. viii. 1992 (TAMU); Puerto Viejo, 3. viii. 1965 (UICM), 14. viii. 1965 (LACM), 3 – 5. vi. 1984 (EGRC); La Maritia Farm, Sarapiqui, Chilamate, 26. ii. 1992 (BYUC). Limón: 7 mi N. Guacimo, 13. vii. 1982, 22. ii – 3. iii. 1988 (USUC), 12. i. 1995, 8. viii. 1996 (USNM); Hamburg Farm, xii. 1922, 20. viii. 1922, xii. 1924, 5. ii. 1925, 22. v. 1925, (USNM), 22. v. 1928, 5. ii. 1925 (DEI); Limón, 28. ix. 1905 (USNM); Pococí, R. V. S. Barra del Colorado, 100 – 200 m (INBio); Puerto Viejo, 2. iii. 1987 (FSCA); Sizaola, R. V. S. Gandoca-Manzanillo, 0 – 100 m (INBio); Talamanca, R. I. Talamanca, 0 – 100 m (INBio); 40 km NE Turrialba, 18. v. 1979 (CMNC). Puntarenas: Aguirre, P. N. Manuel Antonio, 0 – 100 m (INBio); Monteverde, 3000 ft., 23. ii. 1966 (BYUC). Nicaragua. ??: Chontales (PSUC). Rio San Juan: Refugio Bartolo, 51 m, 5 – 15. viii. 2002 (TAMU). Panamá. ??: Feance Field, ix. 1938 (DEI). Bocas del Toro: 6. vii. 1908 (USNM). Chiriquí: Barro Colorado Island, ii. 10.1929, ii. 13.1929 (AMNH), i. 1938, 9. vii. 1976 (USNM), 26. iii. 1929, 16. xii. 1936, 31. i. 1929, 8. iv. 1929 (PSUC). Colcé: 5 mi NW Gamboa, 29. ix. 1989 (USNM). Colón: Gatun Spilway, 8. ix. 1985 (EGRC). Panamá: Cerro Campana, vi. 1976, 20. vi. 1985 (EGRC). Total: 202.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57105B1624FF074839FE66FDD7.taxon	description	(Figure 14)	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57105B1624FF074839FE66FDD7.taxon	description	Description. Head, antennae, scutellum, and legs black; pronotum yellowish with 3 black stripes; elytra with black anchor-shaped marking; black ventral markings variable. Head: vertex trisulcate; frontal carina straight; clypeus with irregular elevations. Antenna: antennomere 1 subglobose, twice length of 2; 2 transverse; 3 – 5 cylindrical, sulcate, 3 – 4 subequal in length, 5 shorter; 6 – 10 transverse, subequal in length; 11 pointed at apex; 1 – 7 punctate, glabrous; 8 – 11 setose. Pronotum: lateral margin bisinuate, converging to apex; anterior angle with tooth; basal impression distinct; surface punctate, punctures less visible on disc; microsculpture present between punctures, less visible in basal impression; pronotal length 1.1 – 1.3 mm (n = 20); pronotal width 1.9 – 2.0 mm. Scutellum: subcordate; alutaceous. Elytron: lateral margin finely dentate basally, more strongly dentate apically; apical margin subrectangular, exterior apical angle with long spine; apical margin with small tooth, and tooth at end of costa 1; 10 rows of punctures, scutellar row absent; costae 1 and 2 united at apex; elytral length 6.7 – 8.0 mm; elytral width 2.7 – 2.9 mm. Leg: femur and tibia punctate; protibia of male with large tooth, metatibia enlarged apically. Total length: 8.0 – 10.0 mm.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57105B1624FF074839FE66FDD7.taxon	discussion	Remarks. This species can be distinguished by the elytra without a scutellar row and with costae 1 and 2 united near the apex; the vertex of the head is trisulcate; antennomere 1 is subglobose while 2 is transverse; and the lateral margin of the pronotum is bisinuate.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57105B1624FF074839FE66FDD7.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A57105B1624FF074839FE66FDD7.taxon	distribution	Distribution. Bolivia, Brazil, and Paraguay. Specimens examined. Bolivia. Piedra Blanca (CMNH); Beni: Cachuela Esperanza, iii (USNM). Del Sara (CMNH). North Yungas: La Paz Vagante, 1100 m, 29. iv. 2006 (BYUC). Brazil. No further data (INSB); Corumba (CMNH, DEI); Santarem, v. 1919 (CMNH). Goyaz: Jatahy (DEI). Matto Grosso: 1886 (USNM). Santa Catherina: Nova Teutonia (DEI). Paraguay. Alto Parana: Puerto Bertoni, 1908 (USNM). Guairá: Villarrica (USNM). Total: 26.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710581624FF074EA6FDBCFB61.taxon	description	Description. Color: head and antennae black; pronotum and elytra orangish; elytra elytral apex more or less broadly black; abdomen reddish in part; femora at base reddish. Head: small; eyes close together. Antenna: filiform; apical antennomere pointed at apex. Elytron: exterior apical angle with large tooth; punctures rather quadrate. Total length: 7.0 mm. (from Pic 1931).	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710581624FF074EA6FDBCFB61.taxon	discussion	Remarks. The placement of this species is uncertain. I have not seen any specimen which can be assigned to this species based on the short description nor have I found any material identified to this species. Four requests for a loan of the types from the Museum National d’Histoire Naturelle (Paris) (MNHN) went unanswered. Therefore I am treating this species as incertae sedis.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710581624FF074EA6FDBCFB61.taxon	biology_ecology	Host plant. Unknown.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
038D5A5710581624FF074EA6FDBCFB61.taxon	distribution	Distribution. French Guyana.	en	Staines, C. L. (2010): A review of the genus Oxychalepus Uhmann, 1937 (Coleoptera: Chrysomelidae: Cassidinae). Zootaxa 2573 (1): 35-56, DOI: 10.11646/zootaxa.2573.1.2, URL: https://biotaxa.org/Zootaxa/article/view/zootaxa.2573.1.2
