Orchestina divisor 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 divisor Izquierdo , new species

Figures 130C–E , 136A , 139A , 144 , map 24

TYPE: Female holotype from Brazil: Acre: Morro Queimado, Parque Nacional da Serra do Divisor (-8.253279°, -73.452701°) (241 m), Nov. 08, 1996, R.S. Vieira, deposited in IBSP 9085, PBI_OON 42232.

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

DIAGNOSIS: Females can be distinguished by the genital morphology characterized by internal pockets extended posteriorly and the tip of the anterior receptaculum nearly M-shaped (figs. 136A, 139A, 144A).

MALE: Unknown.

FEMALE (PBI_OON 42232): Total length 1.3. Habitus as in figure 130C–E. CEPHALOTHO- RAX: Labium rectangular. ABDOMEN: Epigastric region weakly sclerotized. GENITALIA: External pockets absent, internal pockets placed below epigastric fold; anterior receptaculum with massive lateral projections, anterior apodemes well developed, nearly M-shaped; posterior receptaculum present, posterior apodeme formed by entire plate (figs. 136A, 139A, 144A).

DISTRIBUTION: Known only from the type locality in Brazil (Acre, map 24 ).

OTHER MATERIAL EXAMINED: None.

Figures

MAP 5. Distribution map of Orchestina dentifera in Caribbean region. The species reaches the southernmost distribution in Brazil, see map 24.

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 136. Orchestina spp., female genitalia, ventral view. A. O . divisor, holotype. B. O . juruti, paratype. C. O . itapety, holotype. D. O . catarina, paratype. E. O . saudade, paratype. F. O . leon, holotype. G. O. sarava. Scale bars: 0.2 mm, except C, 0.1 mm. (PBI_OON 42232, 42173, 42220, 30272, 43355, 43345).

FIGURE 139. Orchestina spp., cleared female genitalia, ventral view. A. O . divisor, holotype. B. O . juruti, paratype. C. O . catarina, paratype. D. O . saudade, paratype. Scale bars: 0.2 mm. (PBI_OON 42232, 42173, 30272, 43355).

FIGURE 144. Orchestina spp., drawings of female genitalia, ventral view. A. O . divisor, holotype. B. O . juruti, holotype. C. O . cristinae. Scale bars: 0.1 mm. (PBI_OON 42232, 42173, 10936).