Tenedos caqueta, Martínez & Brescovit & Quijano, 2022

Martínez, Leonel, Brescovit, Antonio D. & Quijano, Luis G., 2022, Revealing the diversity of ant-eating spiders in Colombia I: morphology, distribution and taxonomy of the barronus group of the genus Tenedos O. Pickard-Cambridge, 1897 (Araneae: Zodariidae), Zootaxa 5130 (1), pp. 1-154 : 72-73

Tenedos caqueta sp. n.

Figs 49 ; 50C–D ; 106 .

Type material. Holotype: COLOMBIA. Caquetá: Florencia, Vereda Tarqui, Vía Florencia-Guadalupe , Secondary forest fragment, Malaise trap, 1719m [1°51′04″N, 75°40′01″], F. Y. Ramos & F. Arcos leg., 2017-III-29 _ IV-12 , 1 ♂ (LEUA-00000035889).

Etymology. The specific name is a noun in apposition taken from the type locality in Caquetá department.

Diagnosis. Males of Tenedos caqueta sp. n., are distinguished from remain species of barronus group by extremely developed conductor (C), apically rounded anterior margin; large, bifid median apophysis (MA) with apically rounded branches; large, complex retrolateral tibial apophysis (RTA), posterior branch (pRTA) with groove on its extension, anterior branch (aRTA) very thin; wide, small basal retrolateral tibial apophysis (bRTA) ( Figs 49C–F ; 50C–D ).

Description. Male (Holotype, LEUA-00000035889). Coloration ( Fig. 49A–B ): carapace dark brown. Chelicerae with paturon dark brown, lighter on apical region, fangs brown-reddish. Endites brown, white on anterior region. Labium and sternum brown. Legs: Coxae I–IV pale yellow. Femora I–IV dark brown on basal and distal regions, and pale yellow on medial regions. Patella I–IV dark brown. Tibiae I–IV light brown on ventral and dorsal edges, and dark brown on prolateral and retrolateral edges. Metatarsus I pale yellow, and tarsi I–II light brown, darker on basal and distal regions. Tarsi I–IV brown. Abdomen: dorsally dark gray with dorsal scutum developed and seven white guanine spots organized as follows: two rounded and small spots, anteriorly positioned; two irregular spots larger than previous ones with an anterior notch, medially positioned; two irregular and very small spots, in posteromedial position; a large and traversal spot, posteriorly positioned. Laterally dark gray without spots. Ventrally dark gray, with very large spots covering approximately all abdomen surfaces. Spinnerets light brown. Measurements: total length 7.27, carapace length 3.66, width 2.24, height 1.57. Clypeus height 0.85. Eye diameters and interdistances: AME 0.11, ALE 0.13, PME 0.14, PLE 0.16; AME–AME 0.25, AME–ALE 0.32, AME–PME 0.28, PME–PME 0.35, PME–PLE 0.45, ALE–PLE 0.29. Chelicerae 1.12 length. Sternum length 1.44, width 1.14. Legs: I—femur 2.45/ patella 0.85/ tibia 2.24/ metatarsus 2.02/ tarsus 1.44/ total 9.00; II—2.15/ 0.92/ 1.67/ 1.71/ 1.01/ 7.46; III—1.77/ 0.92/ 1.44/ 1.02/ 0.53/ 5.68; IV—2.49/ 0.90/ 2.01/ 2.28/ 0.82/ 8.50. Abdomen length 2.81. Legs spines pattern (only the differences from the general pattern): I—tibia v2-2-2, p1d-0-1d, metatarsus v2-1r-2; III—femur p1d-0-0, r0-1d-0, metatarsus p0-1-2; IV—femur p1d-0-1d, r=III, tibia v=I. Palp: retrolateral process of cymbium (RPC) long, very wide; tegulum (T) small, sub-rounded, almost as long as wide, retrolateral excavation poorly accentuated; subtegulum (St) large, longer than wide, ventrally covered by conductor; conductor (C) rounded at anterior side, with laminar sclerotized region at basal region; appendix (ApC) short, apically sharp; embolus (E) long, wide at base, filiform towards apex; base of embolus (EB) approximately as long as two times basal tegular membrane; basal tegular membrane (BTM) originated basally on tegulum, long, apically rounded; spermatic ducts (SD) S-shaped, very thin with both folds full open; ventral tibial apophysis (VTA) short and quadrangular-shaped in ventral view; median apophysis (MA) very large, bifid, exceptionally sclerotized, with both branches apically rounded; retrolateral tibial apophysis (RTA) large, complex, with sub-triangular, posterior branch (pRTA) ventrally projected, anterior branch (aRTA) very thin, laminar ( Figs 49C–F ; 50C–D ).

Female. Unknown.

Distribution. Known from Caquetá department ( Fig. 106 ).

Figures

FIGURE 49. Tenedos caqueta sp. n. A–B. Male habits (LEUA-00000035889):A. Dorsal view. B. Ventral view. C–F. Male palp: C. Ventral view. D. Prolateral. E. Retroventral view. F. Retrolateral view. Scale bars: A–B: 2mm; C–F: 300µm.

FIGURE 50. Tenedos calebi sp. n. A–B. Male palp (ICN-Ar-10935): A. Ventral view. B. Retrolateral view. Tenedos caqueta sp. n. C–D. Male palp (LEUA-00000035889): C. Ventral view. D. Retrolateral view. Scale bars: A–D: 200µm. Abbreviations: aMA, anterior branch of the median apophysis; ApC, appendix of the conductor; aRTA, anterior branch of the retrolateral tibial apophysis; bRTA, basal retrolateral tibial apophysis; C, conductor; E, embolus; pRTA, posterior branch of the retrolateral tibial apophysis; pMA, posterior branch of the median apophysis; SD, spermatic ducts; VTA, ventral tibial apophysis.

FIGURE 106. Distribution map of the species belonging to barronus species group in Colombia.