Orchestina retiro 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 retiro Izquierdo , new species

Figures 130A, B , 132A–C , 141A–C , map 26

TYPE: Male holotype from Brazil: Pará: Retiro: AAE Lago Grande, -2.39555°, -55.77750°, Oct. 05, 2008, C. Praxedes, deposited in MPEG 015642, PBI_OON 40483.

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

DIAGNOSIS: Males can easily be distinguished by the shape of the bulb structures, with short embolus and light, hook-shaped apophysis. Also the copulatory bulb is more oval in lateral view than in other Brazilian species (fig. 141A).

MALE (PBI_OON 40483): Total length 1.00. Habitus as in figure 130A, B. CEPHALOTHO- RAX: Carapace yellow. Sternum as long as wide, yellow. Chelicerae, endites, and labium yellow. Chelicerae anterior face with conical projections. Labium rectangular. LEGS: White. Leg spination, metatarsi: IV d0-0-2. GENITALIA: Palp proximal segments white, cymbium yellow, bulb pale white, stout, tapering apically, with long, hook-shaped apophysis; embolus short; sperm duct coiled, with many loops (figs. 132A–C, 141A–C).

FEMALE: Unknown.

DISTRIBUTION: Known only from the type locality in Brazil (Pará, map 26).

OTHER MATERIAL EXAMINED: None.

Figures

FIGURE 130. Orchestina spp., habitus. A, B. O . retiro, habitus of holotype male. C–E. O . divisor, habitus of holotype female. A, C. Dorsal. B, D. Lateral. E. Ventral. Scale bars: 0.2 mm. (PBI_OON 40483, 42232).

FIGURE 132. Orchestina spp., male palps. A–C. O . retiro holotype. D–F. O . juruti holotype. A, D. Prolateral. B, E. Dorsal. C, F. Retrolateral. Scale bars: 0.2 mm. (PBI_OON 40483, 40483).

FIGURE 141. Orchestina spp., drawings of male palps. A–C. O . retiro, holotype. D–F. O . juruti. A, D. Retrolateral. B, E. Dorsal. C, F. Scheme of sperm duct course. Scale bars: 0.1 mm. (PBI_OON 40483, 42168).