Orchestina atocongo Izquierdo, 2017

Izquierdo, Matías Andrés & Ramírez, Martín J., 2017, Taxonomic Revision Of The Jumping Goblin Spiders Of The Genus Orchestina Simon, 1882, In The Americas (Araneae: Oonopidae), Bulletin of the American Museum of Natural History 2017 (410), pp. 1-1 : 1-

Orchestina atocongo Izquierdo , new species

Figures 102 K, L , 105A–D , 108G–I , map 21

TYPE: Male holotype from Peru: Lima: Lomas de Atocongo (-12.168828°, -76.893349°), Oct. 10, 1963, P.B. Wygodzinsky, deposited in AMNH, PBI_OON 1662.

ETYMOLOGY: The specific name is a noun in apposition taken from the type locality.

DIAGNOSIS: Males resemble those of species from the United States in having a netlike dark coloration pattern at the sides of carapace and dorsum of abdomen (fig. 105A–D), but can be distinguished by having a short, strong triangular projection on the endites.

MALE: (PBI_OON 1662): CEPHALOTHO- RAX: Carapace as in figure 105A, C; length 0.55, with dark pigment on borders. Clypeus as in figure 105B. Sternum anteriorly heart shaped. Labium rectangular. Endites without serrula, anteromedian tip with one strong, toothlike projection. ABDOMEN: Dorsum with gray netlike pattern, round (fig. 105D). Abdomen separated from prosoma. LEGS: Yellow; coxae femora, patellae, tibiae, and metatarsi slightly colored with purple pigment, left leg I, right legs I, III, IV absent. GENITALIA: Right palp missing; with no apophysis; embolus long, light; sperm duct slightly coiled (figs. 102K, L, 108G–I).

FEMALE: Unknown.

DISTRIBUTION: Known only from the type locality in Peru (Lima, map 21).

OTHER MATERIAL EXAMINED: None.

Figures

FIGURE 102. Orchestina spp., drawing of male palps. A–C. O. predator. D, E. O . goblin. F, G. O . cajamarca. H–J. O . comaina. K, L. O . atocongo. M, N. O . mancocapac. Image M flopped for consistency. (A, B, D, H, K, M) prolateral, (C, E, G, I, L, N) dorsal, (J) scheme of sperm duct course. Scale bars: 0.1 mm. (PBI_OON 43278, 37671, 42768, 43307, 1662, 43305).

FIGURE 105. Orchestina spp., males. A–D. O . atocongo, holotype. E, F. O . mancocapac, holotype. A. Cephalothorax, dorsal. B. Same, anterior. C. Same, lateral. D. Abdomen, lateral. E. Cephalothorax, dorsal. F. Same, anterior; arrows point to toothlike projections of chelicerae. Scale bars: 0.2 mm. (PBI_OON 1662, 43305).

FIGURE 108. Orchestina spp., male palps. A–C. O . cajamarca, holotype. D–F. O . comaina, holotype. G–I. O . atocongo, holotype. A, D, G. Prolateral. B, E, H. Dorsal. C, F, I. Retrolateral. Scale bars: 0.2 mm. (PBI_OON 42768, 43307, 1662).