Pterinopelma sazimai Bertani, Nagahama & Fukushima, 2011

Bertani, Rogério & Leal, Fernando, 2016, A new species of Pterinopelma (Araneae: Theraphosidae) from the highlands of the state of Minas Gerais, Brazil and description of the male of P. sazimai, Zoologia (e 20150190) 33 (2), pp. 1-9 : 2-4

Pterinopelma sazimai Bertani, Nagahama & Fukushima, 2011

Figs. 1-7 , 15

Pterinopelma sazimai Bertani, Nagahama & Fukushima, 2011: 8 , f. 7-16 (in part, only the female); World Spider Catalog, 2015.

Diagnosis. Males of Pterinopelma sazimai can be distinguished from all congeners by having in conjunction: the palpal bulb with well-developed PS, PI, R, A, and SA keels (Figs. 6-7); embolus slender at its distal portion ( Figs. 6-7 ); absence of stridulatory setae on prolateral face of coxa I; bifid tibial spur with almost straight retrolateral branch ( Fig. 5 ); and metatarsus I, when folded, touching the apex of retrolateral tibial spur. Females of this species can be distinguished by having the following combination of traits: short spermathecae, separated by a short, heavily sclerotized area; absence of stridulatory setae on prolateral face of coxa I; absence of long setae on the carapace; presence of urticating setae of type III on abdomen dorsum; and a sternum that is longer than wide. Additionally, both males and females have carapace, chelicerae, and legs covered with blue iridescent setae ( Figs. 1 , 19 ).

Description. Male (MNRJ 5060) ( Figs. 1 -7, 19 ). Carapace 14.56 long, 13.08 wide, chelicerae 7.89. Legs (femur, patella, tibia, metatarsus, tarsus, total): I: 14.17, 7.84, 12.25, 11.9, 7.15, 53.31. II: 13.07, 7.05, 11.12, 11.61, 6.87, 49.72. III: 11.73, 5.94, 9.9, 12.52, 6.6, 46.69. IV: 14.0, 6.43, 12.61, 17.74, 7.54, 58.32. Palp: 8.83, 5.21, 8.11, –, 2.85, 25.0. Midwidths: femora I-IV = 2.33, 2.54, 3.03, 2.72, palp = 1.97; patellae I-IV = 2.47, 2.51, 2.36, 2.59, palp = 2.11; tibiae I-IV = 2.01, 1.74, 1.86, 1.73, palp = 2.14; metatarsi I-IV = 1.12, 1.14, 1.12, 1.21; tarsi I-IV = 0.97, 0.92, 0.86, 0.76, palp = 1.89. Abdomen 13.45 long, 8.34 wide. Spinnerets: PMS, 1.62 long, 0.56 wide, 0.63 apart; PLS, 2.61 basal, 1.76 middle, 2.64 distal; midwidths 0.9, 0.76, 0.55, respectively. Carapace. Length to width 1.11; cephalic area moderately raised, thoracic striae deep. Fovea: deep, straight, 2.56 wide. Carapace covered with short, slender, dense setae, bordered with long setae pointing out ( Fig. 1 ). Eyes and eye tubercle. Tubercle 0.77 high, 1.46 long, 2.15 wide. Clypeus 0.15 wide. Anterior row procurved, posterior recurved. Sizes and inter-distances: AME 0.40, ALE 0.55, PME 0.34, PLE 0.53, AME-AME 0.32, AME-ALE 0.15, AME-PME 0.13, ALE-ALE 1.16, ALE-PME 0.32, PME-PME 0.84, PME-PLE 0.12, PLE-PLE 1.34, ALE-PLE 0.26, AME-PLE 0.4. Eye group 2.12 wide, 1.07 long. Maxillae. Length 4.14, width 2.59. Cuspules: ca. 328 spread over ventral inner heel. Lyra absent ( Fig. 2 ). Labium: 1.7 long, 2.62 wide, with ca. 191 cuspules spaced by less than one diameter from each other on the anterior third center ( Fig. 2 ). Labio-sternal groove shallow, flat, with two large sigilla. Chelicerae. Rastellum absent, basal segment with 10 teeth on promargin and small teeth on basal area. Sternum. Length 6.89, width 5.28. Posterior angle rounded, not separating coxae IV. Sigilla: first pair not evident; second small, rounded; third ovals; second and third less than one diameter from margin ( Fig. 2 ). Legs: leg formulla: IV I II III. Clavate trichobothria: on distal 2/3 of tarsi I-IV. Leg coxae: with sparce soft setae; stridulatory or modified setae lacking. Scopula. Retrolateral femur IV scopulate. Tarsi I-III fully scopulate; IV divided by a row of sparse setae. Metatarsi I fully scopulated; II 3/5, III 1/3, IV 1/6 distal scopulate. Metatarsus IV not divided by row of setae. Spination: palp: femur p0-0-1, patella p1, tibia v2-5-1; leg I: femur p0-0-1, patella p1, tibia v3-2-4, p1-1-0, r1-0-1, metatarsus v1-0-3ap, p1-0-1; leg II: femur p0-0-2, patella p1, tibia v2-3-5(3ap), p1-1-0, r0-1-1ap; metatarsus v2-0-3ap, p1-0-1ap, r0-1-1; leg III: femur p0-0-1, r0-1-1, patella r1, tibia v5-4-5(3ap), p1-1-1, r1-1-1, metatarsus v4-3-5(3ap), p1-1-1ap, r0-1-1; leg IV: femur p0-0-1, r0-0-1, patella v1, tibia v4-5-5(3ap), p1-1-1, r0-2- 1, metatarsus, v22(3ap), p0-1-0, r0-1-1. Claws: ITC absent from all legs; STC with a single row of ca. 6 small teeth. Urticating setae. Type I with region “A” longer or equal to region “B”, 0.28 to 0.37 long, on MM area; Type III 0.66 long, on MM and MP areas. Distribution of urticating setae on abdomen corresponds to fig. 7 in BERTANI & GUADANUCCI (2013). Palp ( Figs. 3-4, 6-7 ). Palpal bulb pyriform; embolus short, slightly flattened laterally at distal region, apex long and slender. Prolateral keels present. PS forming embolus edge distally. A present, medially developed. R present, sharp. SA present, well developed. Bifid tibial spur with branches originating from common base, both almost straight, retrolateral longer ( Fig. 5 ). Metatarsus I slightly curved, when folded touches apex of retrolateral tibial spur. Color pattern. Carapace, chelicerae and legs dark brown, covered with blue iridescent setae ( Fig. 19 ). Coxae of legs and sternum dark brown, covered with grayish setae ( Fig. 2 ). Labium and maxillae reddish brown. Abdomen dorsally light brown on anterior half, area with urticating setae on posterior half black; all abdomen dorsally with abundant long reddish setae. Abdomen ventrally brown. Femora , patellae, tibiae and metatarsi of legs and palp lacking light stripes and white rings on apex of articles.

Type material. Female Holotype: BRAZIL, Bahia: Andaraí ( Parque Nacional da Chapada Diamantina , 12°46’9.21”S, 41°28’6.79”W, 1262 m a.s.l.), 17 February 2008, C.S. Fukushima, R. Bertani & R.H. Nagahama, ZUEC, examined .

Paratype female: BRAZIL, Minas Gerais: Santana do Riacho ( Parque Nacional da Serra do Cipó , [S19°17’ W43°35’]), 13-15 December 1971, I. Sazima et al., ZUEC, examined .

Additional material. BRAZIL, Bahia: Andaraí (Chapada Diamantina, Igatu [12°53’S, 41°19’W]), male, 10 March 2012, A.P.L. Giupponi, G.S. Miranda, M.E. Bichuette & J.E. Gallão (MNRJ 5060).

Distribution. Highlands (up 1100 m a.s.l.) of the Espinhaço Mountain range, states of Minas Gerais and Bahia, Brazil ( BERTANI et al. 2011).

Figures

Figures 1-7. Pterinopelma sazimai, male, MNRJ 5060: (1) carapace and chelicerae; (2) sternum, maxillae, labium and coxae; (3-4) left palp, (3) prolateral, (4) retrolateral; (5) left leg I tibial spur, ventral; (6-7) left male palpal bulb, (6) prolateral, (7) retrolateral. Scale bars: 1-5 = 5 mm, 6-7 =1 mm.

Figures 13-18. Pterinopelma felipeleitei sp. nov., left male palpal bulb. (13-14) IBSP 111631: (13) prolateral; (14) retrolateral; (15-16) MNRJ 6875: (15) prolateral; (16) retrolateral; (17) IBSP 111631:, embolus, prolateral; (18) MNRJ 6875: embolus, prolateral. Scale bars: 1 mm.

Figures 19-24. (19-22) Habitus: (19) Pterinopelma sazimai living male, MNRJ 5060; (20) Pterinopelma felipeleitei sp. nov. living female, holotype MNRJ 6873; (21-22) male, MNRJ 6875: (21) immature; (22) after reaching maturity; (23-24) habitat: (23) Parque Estadual Pico do Itambé, municipality of Serro, state of Minas Gerais, Brazil, (24) Parque Nacional da Serra do Cipó, municipality of Morro do Pilar, state of Minas Gerais, Brazil. Photos: (19) Alessandro Giupponi, (20) Rogério Bertani, (21-24) Fernando Leal.