Tupirinna gigantea, Xavier & Bonaldo, 2021

Xavier, Cláudia & Bonaldo, Alexandre B., 2021, Taxonomic revision of the genus Tupirinna Bonaldo, 2000 (Araneae: Corinnidae: Corinninae), Zootaxa 5004 (2), pp. 201-250 : 222-223

Tupirinna gigantea sp. nov.

Figs 4C, D , 11E–H

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Type material. Holotype: ♂ from Estácion Biológica Mosiro Itajúra (Caparú) (01°02’24”S, 69°18’36”W), Lago Taraira , Bajo Rio Apaporis , Taraira , Vaupés, Colombia, III.2002, leg. J. Pinzón ( ICN – Ar 10640) . Paratypes: COLOMBIA: Vaupés: Same data as the holotype, 1♀ ( ICN – Ar 10641), 1♂ ( ICN – Ar 10642) . PERU: Huanuco: Huanuco, Rio Yuyapichis, Panguana Biological Station (09°37’S, 74°56’W), 29.X–26.XI.1983, leg. M. Verhaagh, 1♂ ( SMNK) ; Same data, 26.XI–24.XII.1983, leg. M. Verhaagh, 1♀ ( SMNK) ; Same data, 23–14.XI.1983, leg. M. Verhaagh, 1♂ ( SMNK) ; Madre de Dios: Primavera Baja, Interoceanica highway 115 km marker, 234 m (12°54’01.3”S, 70°05’13.6”W), 4–11.XI.2010, leg. C. Peña, 1♂ ( MUSM-ENT 504512 ) ; Pasco: Parque Nacional Yanachaga-Chemillén , 432 m (10°22’33.4”S, 75°14’36.4”W), 15–18.IX.2010, leg. S. Carbonel & J. Grados, 1♀ ( MUSM-ENT 504519 ) ; Cusco: Cashiari, Rio Camisea , 579 m (11°51’51.3”S, 72°46’45.6”W), V–VI.1997, leg. S. Coryona, 1♀ ( MUSM-ENT 504392 ) ; Comunidad Nativa Timpia, La Convéncion , Echarate , 536 m (12°06’S, 72°49’W), 25–31.I.2010, leg. E. Rázuri & C. Spinoza, 1♂ ( MUSM-ENT 500960 ) ; Rio Camisea , San Martin, 474 m (11°47’09.8”S, 72°42’05.3”W), III–IV.2010, leg. S. Córdova, 1♂ ( MUSM-ENT 504360 ) ; Rio Camisea, Pagoreni , 465 m (11°42’22.5”S, 72°54’10.7”W), 7–28.V.1998, 1♂ ( MUSM-ENT 504202 ) .

Etymology. The specific name is a Latin adjective meaning gigantic, an allusion to the larger size of this species compared to the remaning Tupirinna .

Diagnosis. Males of Tupirinna gigantea sp. nov. differ from those of all other species with basally divided ventral lobe of RTA ( T. coari sp. nov., T. zebra sp. nov. and T. urucu sp. nov.) by the bifid ventral process of the ventral lobe of the RTA ( Fig. 11E ). They further resemble those of T. coari sp. nov. by the short embolus, directed retrolaterally, and the long, narrow AS, differing by the filiform, curved embolar tip ( Fig. 11E, F ). Females resemble those of T. coari sp. nov. by the concave epigynal plate, but can be recognized by the posteriorly positioned copulatory opening ( Fig. 11G, H ).

Description. Male holotype (ICN – Ar 10640). Carapace brown, with black stripe extending over ocular area, and black lateral stripes. Chelicerae brown. Labium brown. Endites brown. Sternum orange, with borders and anterior lateral excavations brown. Legs brown, with ventral surfaces of femora yellow and lateral posterior surfaces of tibiae black. Abdomen dorsum black, with two pairs of white tranverse spots on each side; venter black ( Fig. 4C ). Total length 5.87. Carapace length 2.73, width 2.31, height 0.70. Clypeus height 0.22. Eye diameters and interdistances: anterior row 0.72, posterior row 0.80, MOQ: length 0.47, anterior width 0.43, posterior width 0.41, AME 0.17, PME 0.14, ALE 0.13, PLE 0.15, AME-AME 0.10, AME-ALE 0.07, PME-PME 0.13, PME-PLE 0.12, ALE-PLE 0.05. Chelicerae: length 1.47 with 4 promarginal and 3 retromarginal teeth. Sternum length 1.33, width 1.39. Leg I: femur (fe) 2.70, patella (pa) 1.10, tibia (ti) 2.62, metatarsus (mt) 2.69, tarsus (ta) 1.44. II: fe 2.74, pa 0.97, ti 2.46, mt 2.69, ta 1.40. III: fe 2.70, pa 1.04, rest missing. IV: fe 3.34, pa 0.96, ti 2.88, mt 4.08, ta 1.71. Abdomen: length 3.14, width 1.93. Leg spination: I – femur d1-1-1, p0-0-1; tibia v2-2-2; metatarsus v2-2-0. II – femur d1-1-1, p0-1-2; tibia v2-2-2; metatarsus v2-2-0. III – femur d1-1-1, p0-1-1, r0-1-1; this specimen has only a part of leg III. IV – femur d1-1-1, p0-1-1, r0-1-1; tibia p1-0-1, r1-0-1, v2-2-2; metatarsus p1-1-0, r1-1-0, v2-2-2. Palp: tibia almost half cymbial length; ventral lobe of retrolateral tibial apophysis with apical spur; dorsal lobe absent; ventral tibial apophysis dorsally projected; embolus short, embolar basal process absent, tegular process absent ( Fig. 11E, F ).

Female paratype (ICN – Ar 10641). Carapace brown, with black stripe extending over ocular area, and black lateral stripes. Chelicerae brown. Labium brown. Endites brown. Sternum orange, with borders and anterior lateral excavations brown. Legs brown, with ventral surfaces of femora yellow and lateral posterior surfaces of tibiae black. Abdomen dorsum black, with one longitudinal white spot in cardiac area; in median region one transverse white spot and pair of white spots close to spinnerets; venter black ( Fig. 4D ). Total length 6.90. Carapace length 2.88, width 2.18, height 1.15. Clypeus height 0.25. Eye diameters and interdistances: anterior row 0.76, posterior row 0.85, MOQ: length 0.45, anterior width 0.38, posterior width 0.45, AME 0.12, PME 0.14, ALE 0.12, PLE 0.13, AME-AME 0.14, AME-ALE 0.09, PME-PME 0.14, PME-PLE 0.14, ALE-PLE 0.05. Chelicerae: length 1.17 with 4 promarginal and 3 retromarginal teeth. Sternum length 1.50, width 1.59. Leg I: femur (fe) 2.91, patella (pa) 1.26, tibia (ti) 2.80, metatarsus (mt) 2.58, tarsus (ta) 1.39. II: fe 2.93, pa 1.22, ti 2.78, mt 2.46, ta 1.34. III: fe 2.79, pa 1.18, ti 2.38, mt 2.90, ta 1.28. IV: fe 3.58, pa 1.19, ti 2.93, mt 3.98, ta 1.55. Abdomen: length 3.80, width 2.50. Leg spination: I – femur d1-1-1, p0-0-1; tibia v2-2-2-2; metatarsus v2-2-0. II – femur d1-1-1, p0-0-1; tibia v2-2-2; metatarsus v2-2-0. III – femur d1-1-1, p0-1-1, r0-1-1; tibia p1-1-0, r1-1-0, v2-2-0; metatarsus p0-1-1, r0-1-1, v2- 2-2. IV – femur d1-1-1, p0-1-1, r0-1-1; tibia p1-1-0, r1-1-0, v2-2-2; metatarsus p1-1-0, r1-1-0, v2-2-2. Epigynum: copulatory opening posteriorly positioned; posterior vulval plate well developed; secondary spermathecae absent ( Fig. 11G, H ).

Variation. Lengths: (3♂) total 5.71–6.11, carapace 2.76–2.88, femur I 2.50–3.08; (1♀) total 6.69, carapace 2.73, femur I 2.53.

Additional material examined. PERU: Huanuco: Rio Yuyapichis, Panguana Biological Station (09°37’S, 74°56’W), 29.X–26.XI.1983 , leg. M. Verhaagh, 1♂ ( SMNK); Same locality , 1♀, 26.XI–24.XII.1983, leg. M. Verhaagh, 1♀ ( SMNK); Same locality, 23–24.XI.1983 , leg. M. Verhaagh, 1♂ ( SMNK) .

Distribution. Peru and southeast Colombia ( Fig. 28 ).

Figures

FIGURE 4. A–B. Tupirinna mutum sp. nov.: A. male, dorsal view (MPEG 35500). B. female, dorsal view (MPEG 19950). C–D. Tupirinna gigantea sp. nov.: C. male, dorsal view (ICN-ar 10640). D. female, dorsal view (ICN-ar 10641). E–F. Tupirinna coari sp. nov.: E. male, dorsal view (MPEG 35484). F. female, dorsal view (MPEG 35513).

FIGURE 11. A–D. Tupirinna mutum sp. nov.: A–B. male palp. A. ventral view. B. retrolateral view. C–D. epigynum C. ventral view. D. dorsal view. E–H. Tupirinna gigantea sp. nov.: E–F. male palp. E. ventral view. F. retrolateral view. G–H. epigynum. G. ventral view. H. dorsal view. Scale bars = 0.5 mm. Abbreviations: AS, apical spur; CO, copulatory opening; dVL, dorsal process of ventral lobe; E, embolus; FD, fertilization duct; SI, primary spermathecae; PVP, posterior vulval plate; VTA, ventral tibial apophysis.

FIGURE 28. Distribution map of T. araguaia sp. nov., T. gigantea sp. nov., T. coari sp. nov., T. mutum sp. nov. and T. regiae sp. nov.