taxonID	type	description	language	source
0386153BFFC3FFEA08B9D42104F1F8AA.taxon	materials_examined	Type material. Holotype: male, slide mounted in Euparal, Brazil, Amazonas, Manacapuru, AM 352, Km 90 (Km 0 8 de Manacapuru) - " Sossego do Vovô ", 03 ° 12 ’ 23.0 ” S, 60 ° 40 ’ 21.0 ” W, 60 m a. s. l., 7 – 8. ix. 2008, light trap, leg. U. G. Neiss; R. L. Ferreira-Keppler; J. F. Barbosa; A. Fernandes, (Projeto Pronex) (I 1 - 01, LEIA-UFSCar). Paratypes: 1 male and pupa exuviae, slide mounted in Euparal, Brazil, Roraima, Cantá, Igarapé da Capivara, Ramal do Cantá, 02 ° 44 ' 45.2 " N, 60 ° 28 ' 20.8 " W, 7. xi. 2006, light trap, leg. Fusari, L. M., Azevêdo, C. A. S., Falcão, J. N. (I 1 - 02, LEIA- UFSCar); 1 male, Brazil, Amazonas, Manaus, Reserva Florestal Adolfo Ducke, Igarapé Bolívia, 02 ° 59 ' 14.5 " S 59 ° 56 ' 30.5 " W, 16. ix. 2009, leg. G. P. S. Dantas (I 1 - 03, LEIA-UFSCar); 1 male, Brazil, Amazonas, Novo Airão, Km 3 do ramal do Hotel Mercuri, 02 ° 50 ' 44.4 " S, 60 ° 54 ' 56.9 " W, 09. ix. 2008, em tronco, leg. G. P. S. Dantas (I 1 - 04, LEIA- UFSCar).	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC3FFEA08B9D42104F1F8AA.taxon	etymology	Derivatio nominis. The name capivara refers to one of the type localities, Capivara Igarapé. The name is treated as a noun in apposition. Diagnostic characters. Adult male of Pseudochironomus capivara sp. n. differs from all other species of the genus by the combination of the following characters. Adult male: Thorax with acrosticals. Tergite IX distally protruding and without anal point; hooklike superior volsella, with three simple setae; median volsella short semi triangulate with three large setae; pars ventralis fused or partially divided at the apex; inferior volsella enlarged distally with microtrichia and several marginal large setae. Pupa: Sternite 1 bare; posterolateral comb of tergite VIII, with one large tooth and two shorter teeth	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC3FFEA08B9D42104F1F8AA.taxon	description	Description. Male (n = 4) Total length 4.69 – 4.83 mm. Wing length 1.80 – 2.09 mm. Coloration. Thorax marked with light brown vitae; abdomen with transversal brown bands on each segment. Legs brown. Head. Temporal 18 – 24 setae. Clypeus with 24 – 31 setae. Antenna with 13 flagellomere, 1.08 – 1.33 mm long; AR 1.91 – 2.01. Palpomere 2 – 5 lengths: 63 – 75, 155 – 187, 200 – 219, 275 – 317 µm. Thorax (Fig. 1 a). Ac 6 – 8; Dc 10 – 12; Pa 4 – 5; Scts 18 – 24. Wings (Fig. 1 b). Width 0.54 – 0.61 mm. VR 1.02 – 1.08. Brachiolum with two setae. Veins setae on R with 14 – 19, R 1 with 0 – 1 and R 4 + 5 with 6 – 7 setae. Squama with 17 – 21 setae. Legs. Scale on fore tibia, with 55 – 61 µm long spine at apex. Tibial combs of mid and hind legs partially fused; mid tibial spur anterior, 61 – 66 µm, posterior 74 – 77 µm long; hind tibial spur anterior, 63 – 85 µm, posterior 77 – 92 µm long. Lengths and proportions of legs as in Table I. TABLE I. Lengths (in µm) and proportions of legs of Pseudochironomus capivara sp. n. male (3). Hypopygium (Fig. 1 c, d). Tergite IX distally protruding and without anal point. Laterosternite with seven setae. Transverse sternapodeme 96 µm long, with developed oral projections. Phallapodeme near 169 µm long. Pars ventralis narrow, 54 – 69 µm long partially fused. Gonocoxite 100 – 123 µm long, with pointed apex. Superior volsella hooklike, with three preapical simple setae. Median volsella short semi triangulate with 2 – 3 simple setae near apex. Inferior volsella pubescent with several marginal large and ventral setae. Gonostylus 123 – 144 µm long. HR 0.81 – 0.95. Pupa (Fig. 2). Cephalotorax. Frontal apotome weakly granulose with short cephalic tubercles; frontal setae absent (Fig. 2 a). Thorax granulose; two antepronotals, longest setae 281 µm long; three precorneals and four dorsocentrals (Fig. 2 b). Distance Dc 1 - Dc 2 44 µm; Dc 2 - Dc 3 381 µm; Dc 3 - Dc 4 31 µm. Abdomen. Length 4.1 mm. Sternite I without spines. Tergite I with fine shagreen in middle part. Tergite II-VI with variable patterns of shagreen and anterior bands of stronger shagreen (Fig. 2 c, d). Tergite IV with a mediananterior band 250 µm long of fine spines. Tergite VII and VIII with weak shagreenation (Fig. 2 d). Hooklets row extending nearly on 1 / 2 the width of tergite II. Pedes spurii B present on segment II. Pedes spurii A present on segment IV. Conjunctives III / IV to IV / V with continuous bands of spinules; IV / V band short. Tergite VIII with posterolateral comb, with one large tooth and two shorter teeth (Fig. 2 e). Segments I-IV with 0, 3, 3, 3 L setae, respectively; segments V with three taeniae; segments VI-VII with four taeniae; segment VIII with five taeniae. Anal lobe 285 µm long, with anterior weak shagreenation and complete fringe of taeniae. Genital sac 331 µm long.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC6FFEC08B9D7C90473FE44.taxon	materials_examined	Type material. Holotype: Pupa with pharate male and larval exuviae, slide mounted in Euparal, Brazil, Bela Vista, RO, Ariquemis river, 08. viii. 2001, leg. G. P. S. Dantas (I 1 - 05, LEIA-UFSCar).	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC6FFEC08B9D7C90473FE44.taxon	etymology	Derivatio nominis. The name ariquemis refers to the locality where the species was collected, Ariquemis River. The name is treated as a noun in apposition. Diagnostic characters. Adult male of Pseudochironomus ariquemis sp. n. differs from all other species of the genus by the combination of the following characters. Adult male: thorax with acrosticals; anal point absent in hypopygium; superior volsella hook-shaped, with three simple setae; median volsella short with two setae; pars ventralis completely divided; inferior volsella with microtrichia and several marginal large setae; transverse sternapodeme without oral projections. Pupa: sternite I with two short anterior pair of fine spines; comb of segment VIII with one large tooth and 4 – 6 marginal teeth. Larva: AR = 1.42; mentum 169 µm long, with eleven brown teeth; median tooth longer than laterals.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC6FFEC08B9D7C90473FE44.taxon	description	Description. Male (n = 1). Head, wings and legs not discernible inside the pupal exuviae. Thorax. Ac 7; Dc 14; Pa 3; Scts 17. Hypopygium (Fig. 3 a, b). Tergite IX without anal point. Laterosternite with four setae. Transverse sternapodeme 70 µm long, without oral projections. Phallapodeme 169 µm long. Pars ventralis narrow, 45 µm long. Gonocoxite 123 µm long. Superior volsella hooklike, with three preapical simple setae. Median volsella rounded with two simple setae. Inferior volsella pubescent with 10 ventro-marginal large setae. Gonostylus 146 µm long. HR 0.84. Pupa (Fig. 4). Cephalotorax. Frontal apotome strongly granulose. Cephalic tubercles short; frontal setae absent. Thorax strongly granulose; two antepronotals, longest setae 181 µm long; three precorneals and four dorsocentrals. Distance Dc 1 - Dc 2 75 µm; Dc 2 - Dc 3 390 µm; Dc 3 - Dc 4 31 µm. Abdomen. Length 3.7 mm. Sternite I with two anterior pair of fine spines (Fig. 4 a). Tergite I bare. Tergite II-VI with variable patterns of shagreen usually forming an anterior band of stronger spines (Fig. 4 b). Tergite IV with a median-anterior band 194 µm long of fine spines. Tergite VII and VIII with weaker shagreenation (Fig. 4 c). Hooklets row extending nearly on 1 / 3 the width of tergite II. Pedes spurii B short on segment II. Pedes spurii A present in segment IV. Conjunctives III / IV to IV / V with continuous bands of spinules. Tergite VIII with posterolateral comb, with one large tooth and 4 – 6 marginal teeth (Fig. 4 d). Segments I-IV with 0, 3, 3, 3 L setae, respectively; segments V-VI with three taeniae; segments VII- VIII with four taeniae. Anal lobe 310 µm long, with anterior weak shagreenation and complete fringe of taeniae. Genital sac 440 µm long. 4 th instar larva exuviae (Fig. 5). Antenna (Fig. 5 a) 126 µm, basal segment 74 µm long, AR 1.42. Large Lauterborn organs on apex of 2 nd segment. Blade 64 µm, surpassing 5 th segment. Dorsal sclerites of head as in figure 5 b. Pecten epipharyngis composed by 3 plates. Labral lamella and SI as in figure 5 c. Premandible (Fig. 5 d) 120 µm long with two large teeth; brush present. Mandible (Fig. 5 e) 208 µm long, with one strong clear apical tooth and four brown inner teeth. Seta subdentalis slender, 58 µm long, not surpasses apical tooth. Mentum (Fig. 5 f) 169 µm wide with eleven brown teeth; median tooth longer than first laterals; 2 nd laterals recessive and fused to first laterals. Ventramental plates 125 µm long, with very distinct striations and touching at the midline.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC7FFEE08B9D175037EF896.taxon	materials_examined	Type material. Holotype: Male, slide mounted in Euparal, Brazil, São Paulo, Salesópolis, 18. ix. 2007, light trap, leg. Fröehlich, C. G. (I 1 - 06, LEIA-UFSCar). Paratypes: 2 males, as holotype, 12. x. 2001 (I 1 - 07, I 1 - 08, LEIA- UFSCar).	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC7FFEE08B9D175037EF896.taxon	etymology	Derivatio nominis. The name boraceia refers to the type locality, Boracéia Park. The name is treated as a noun in apposition. Diagnostic characters. Adult male of Pseudochironomus boraceia sp. n. differs from all other species of the genus by the combination of the following characters. Adult male: acrosticals present on thorax; hypopygium with a protruding end and without anal point; hooklike superior volsella, with three simple setae and the internal projection sclerotized; median volsella short semi triangulate with one or two large setae; pars ventralis divided only at the apex; inferior volsella enlarged distally with microtrichia and several marginal large setae.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC7FFEE08B9D175037EF896.taxon	description	Description. Male (n = 3). Total length 4.47 – 5.64 mm. Wing length 2.15 – 2.46 mm. Coloration. Thorax brown with dark brown vitae; abdomen with transversal brown bands on each segment. Legs dark brown. Head. Temporal 20 – 23 setae. Clypeus with 31 setae. Antenna 1.23 – 1.50 mm long; AR 1.51 – 2.01. Palpomere 2 – 5 lengths: 55 – 75, 175, 213 – 225, 288 – 337 µm. Thorax (Fig. 6 a). Ac 5 – 6; Dc 9; Pa 4 – 5; Scts 18 – 22. Wings (Fig. 6 b). Width 0.60 – 0.77 mm. VR 1.03 – 1.10. Brachiolum with two setae. Veins setae on R with 17 – 19, R 1 with 0 – 1, and R 4 + 5 with 0 – 1 setae. Squama with 16 – 22 setae. Legs. Scale on fore tibia 58 – 72 µm long, with a spine at the apex. Tibial combs of mid and hind legs partially fused; mid tibial spur anterior, 58 µm, posterior 78 µm long; hind tibial spur anterior, 66 µm, posterior 88 µm long. Lengths and proportions of the legs as in Table II. TABLE II. Lengths (in µm) and proportions of legs of Pseudochironomus boraceia sp. n. male (3). Hypopygium (Fig. 6 c, d). Tergite IX without anal point. Laterosternite with ten setae. Transverse sternapodeme 77 – 97 µm long (2), with developed oral projections. Phallapodeme 83 – 110 µm long (2). Pars ventralis narrow, 57 µm long, partially divided at the apex. Gonocoxite 118 – 128 µm long. Superior volsella hooklike (Fig. 6 e), with three preapical simple setae and internal projection sclerotized. Median volsella semitriangular with 1 – 2 simple setae near apex. Inferior volsella pubescent with several marginal large and ventral setae (Fig. 6 e). Gonostylus 146 – 158 µm long. HR 1.00 – 1.22.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFCAFFE008B9D7C903A4FD87.taxon	materials_examined	Type material. Holotype: Male, slide mounted in Euparal, Brazil, Roraima, Cauamé river, 09 ° 58 ’ 29 ” S, 67 ° 48 ’ 36 ” W, 153 m a. s. l., 03. ii. 2007, leg. L. Fusari (I 1 - 05, LEIA-UFSCar). Derivation nominis. The name cauame refers to type locality, Cauamé river. The name is treated as a noun in apposition.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFCAFFE008B9D7C903A4FD87.taxon	description	Diagnostic characters. Adult male of Riethia cauame sp. n. differs from other species of the genus by the combination of the following characters. Adult male: hypopygium without anal point, superior volsella hooklike with internal margin 7 – 8 simple setae. Median volsella present. Inferior volsella with 9 internal marginal long and large simple setae and 9 flattened scales: 5 apically pectinate and 4 distal ones non-pectinate Transverse sternapodeme without oral projections. Description. Male (n = 1). Total length near 4.0 mm. Wing length 1.8 mm. Colouration. Thorax pale with light brown vitae; abdomen and legs pale brown. Head. Temporal setae not discernable in slide preparation. Clypeus with nine setae. Antenna 1.28 mm long; AR 1.73. Palpomere 2 – 5 lengths: 75, 156, 156, 262 µm. Thorax (Fig. 7 a). Ac absent; Dc 8; Pa 3; Scts 8. Wings. VR 1.16. Brachiolum with two setae. Veins setae on R with 19, R 1 with 15 and R 4 + 5 with 22 setae. Squama with 8 setae. Legs. Scale on fore tibia 46 µm long, with a short spine at the apex. Tibial combs of mid and hind legs partially fused; mid tibial spur anterior, 34 µm, posterior 37 µm long; hind tibial spur anterior, 34 µm, posterior 37 µm long. Lengths and proportions of the legs as in Table III. TABLE III. Lengths (in µm) and proportions of legs of Riethia cauame sp. n. male (1). Hypopygium (Fig. 7 b, c). Tergite IX truncate, without anal point. Laterosternite IX with 3 setae. Transverse sternapodeme 85 µm long, without oral projections. Phallapodeme 61 µm long. Gonocoxite 135 µm long. Superior volsella hooklike, basally pubescent, with 7 – 8 simple setae. Median volsella short, bearing 3 simple setae. Inferior volsella with 9 marginal long and large simple setae and 9 flattened scales: 5 apically pectinate and 4 distal ones non-pectinate. Gonostylus 166 µm long. HR 0.81.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFCBFFE308B9D5C50284FAA8.taxon	materials_examined	Type material. Holotype: Male, slide mounted in Euparal, Brazil, AM, Presidente Figueiredo, Estrada de Balbina, Recanto da Pantera, 0 2 0 00 ’ 41 ” S, 60 0 01 ’ 32 ” W, 22. iii. 2008, leg. Dantas, G. P. S. (I 1 - 10, LEIA-UFSCar). Paratypes: 2 males, Brazil, AM, Manaus, RF Ducke, Igarapé Ipiranga, 05. iv. 2017, leg. Dantas GPS (( I 1 - 12 ND 13, LEIA- UFSCar).	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFCBFFE308B9D5C50284FAA8.taxon	etymology	Derivatio nominis. Refers to the name of the type-locality: Recanto da Pantera. The specific epithet is treated as a noun in apposition. Diagnostic characters. Riethia pantera sp. n. differs from other species of the genus by the combination of the following characters. Male: hypopygium with superior volsella hooklike, basally pubescent and with two large setae; distal internal margin with four long simple setae. Median volsella present. Inferior volsella with seven internal marginal large scales and numerous dorsal apically pectinate and non-pectinate setae. Transverse sternapodeme with oral projections.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFCBFFE308B9D5C50284FAA8.taxon	description	Description. Male (n = 1) Total length near 5.30 mm. Wing length 2.40 – 2.46 mm. Colouration. Thorax and abdomen brown. Legs light brown. Head. Temporal with 20 – 21 setae. Eye with broad dorsomedial extension. Clypeus with 25 – 31 setae. Antenna 1.57 mm long; AR 1.97 (1). Palpomere 2 – 5 (1) lengths: 62, 181, 169, 238 µm. Thorax (Fig. 8 a). 1.46 mm long. Ac presents; Dc 10 – 11; Pa 4; Supra 1; Scts 11 – 14. Wings (Fig. 8 b). Width 0.65 mm. VR 1.14 – 1.20. Brachiolum with two setae. Veins setae on R with 19, R 1 with 16, and R 4 + 5 with 18 setae. Squama with 14 – 20 setae. Legs. Spur of fore tibia 75 µm. Tibial combs of mid and hind legs partially fused; mid tibial spur anterior, 87 – 89 µm, posterior 94 – 103 µm long; hind tibial spur anterior, 89 – 106 µm, posterior 118 – 119 µm long. Lengths and proportions of legs as in Table IV. TABLE IV. Lengths (in µm) and proportions of legs of Riethia pantera sp. n. male (2). Hypopygium (Fig. 8 c, d). Anal point absent. Laterosternite with two setae. Transverse sternapodeme 105 µm long, with weak oral projections. Phallapodeme 91 µm long. Gonocoxite 138 µm long. Superior volsella hooklike basally pubescent, with four preapical simple setae and two basal larger setae (Fig. 8 e). Median volsella short with two simple setae. Inferior volsella pubescent with seven marginal broad scales (Fig. 8 f) and numerous simple and apically pectinate dorsal setae (Fig. 8 g). Gonostylus 203 µm long. HR 0.68.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC8FFE208B9D2E40076F938.taxon	materials_examined	Type material. Holotype: Male, slide mounted in Euparal, Brazil, São Carlos, SP, Fazzari stream, 24. i. 2000, F. Roque (I 1 - 11, LEIA-UFSCar). Derivation nominis. The name fazzari refers to the type locality, Fazzari stream (Campus UFSCar). The name is treated as a noun in apposition.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC8FFE208B9D2E40076F938.taxon	description	Diagnostic characters. Adult male of Riethia fazzari sp. n. differs from all other species of the genus by the combination of the following characters. Adult male: hypopygium with caudal projection U-shaped with few setae on apex. Superior volsella hooklike, with short simple setae. Median volsella short with three long setae. Inferior volsella large and distally truncated with four long simple distal setae and numerous dorsal and ventral little setae. Description. Male (n = 1). Total length near 2.85 mm. Wing length 1.45 mm. Colouration. Thorax, abdomen and legs pale brown. Head. Temporal setae not discernable in slide preparation. Clypeus with 7 setae. Antenna 0.71 mm long; AR 1.09. Palpomere 2 – 5 lengths: 81, 81, 88, 125 µm. Thorax. Ac 16 biserial, beginning near antepronotum; Dc 11; Pa 2; Scts 8. Wings (Fig. 9 a). VR 1.07. Brachiolum with two setae. Veins setae on R, R 1 and R 4 + 5 not discernable in slide preparation. Squama with six setae. Legs. Scale on fore tibia 46 µm long, with a short spine at apex. Tibial combs of mid and hind legs partially fused; mid tibial spur anterior, 60 µm, posterior 65 µm long; hind tibial spur anterior, 69 µm, posterior 66 µm long. Lengths and proportions of legs as in Table V. TABLE V. Lengths (in µm) and proportions of Riethia fazzari sp. n. male (1). Hypopygium (Fig. 9 b, c). Tergite IX with unusual caudal projection U-shaped. Laterosternite IX with 4 setae. Transverse sternapodeme 88 µm long with strong oral projections. Phallapodeme 106 µm long. Gonocoxite 162 µm long. Superior volsella hooklike, with three simple short setae on external margin and three strong setae on internal margin. Median volsella inconspicuos, bearing three simple strong setae. Inferior volsella large, distally truncated, with four ventral long setae on internal margin and dorsal and ventral setose distally. Gonostylus 162 µm long. HR 1.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC9FFE408B9D06103F5FEAA.taxon	materials_examined	Type material. Holotype: Male, slide mounted in Euparal, Brazil, AM, Manaus, AM, RF Ducke, Igarapé Ipiranga, 05. iv. 2017, leg. GPS, Dantas, (I 1 - 40, LEIA-UFSCar). Paratypes: 2 male as holotype (I 1 - 41, 42, LEIA-UFSCar). Derivation nominis. Named in honour of Dr. Galileu Dantas a friend and great researcher of Amazon Chironomidae.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
0386153BFFC9FFE408B9D06103F5FEAA.taxon	description	Diagnostic characters. Riethia galilei sp. n. differs from other species of the genus by the combination of the following characters. Male: hypopygium with superior volsella short and hooklike with 2 apical and 2 – 3 marginal internal setae. Median volsella present. Inferior volsella triangular with 3 – 4 large marginal semipectinate scales, numerous apically pectinate and non-pectinate setae and 2 – 3 apical large marginal curved scales. Description. Male (n = 1). Total length 3.30 – 3.84 mm. Wing length 1.78 – 1.86 mm (2). Colouration. Thorax white brown with brown vitae; abdomen and legs brown. Head. Temporal with 10 – 12 setae. Eye with broad dorsomedial extension. Clypeus with 16 – 20 setae. Antenna 1.09 – 1.21 mm long; AR 1.61 (1). Palpomere 2 – 5 (1) lengths: 62 – 69, 87 – 113, 122 – 150, 153 – 225 µm. Thorax (Fig. 10 a). 1.06 – 1.18 mm long. Ac absent; Dc 6 – 8; Pa 3; Scts 11. Wings (Fig. 10 b). Width 0.55 mm. VR 1.18 (1). Brachiolum with two setae. Veins setae on R with 16, R 1 with 10 and R 4 + 5 with 10 setae. Squama with 6 setae. Legs. Spur of fore tibia 58 µm. Tibial combs of mid and hind legs partly fused; mid tibial spur anterior, 75 – 83 µm, posterior 87 – 92 µm long; hind tibial spur anterior, 73 – 80 µm, posterior 91 – 100 µm long. Lengths and proportions of legs as in Table VI. TABLE VI. Lengths (in µm) and proportions of Riethia galilei sp. n. male (1). Hypopygium (Fig. 10 c, d). Tergite IX without anal point. Laterosternite with two setae Transverse sternapodeme 120 µm long, without oral projections. Phallapodeme near 107 µm long. Gonocoxite 131 – 138 µm long. Superior volsella short hooklike with four marginal simple setae (Fig. 10 e). Median volsella with two apical simple setae. Inferior volsella triangular pubescent 103 µm long with 3 – 4 apical large marginal semipectinate scales, numerous apically pectinate and non-pectinate setae and 2 – 3 apical large marginal curved scales. (Fig. 10 f). Gonostylus 197 – 228 µm long. HR 0.60 – 0.66.	en	Trivinho-Strixino, Susana, Shimabukuro, Erika Mayumi (2018): Brazilian Pseudochironomini (Diptera: Chironomidae) Part 2. New Pseudochironomus and Riethia species. Zootaxa 4403 (2): 245-260, DOI: 10.11646/zootaxa.4403.2.2
