Orchestina quijos 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 quijos Izquierdo , new species

Figures 90 , 96A–C , 99A , map 10

TYPES: Male holotype from Ecuador: Napo, Sacha Wagra Lodge, Rio Hollin , 665 m, -0.95500°, -77.74750°, Nov. 29, 2009, Niarchos Expedition, deposited in QCAZ, PBI_OON 30941 ; same data, 1 female paratype deposited in QCAZ, PBI_OON 30941 .

ETYMOLOGY: A noun in apposition; the Quijos-Quichua (Napo-Quichua) are lowland Quechua people, living in the basins of the Napo, Aguarico, San Miguel, and Putumayo river basins of Ecuador and Peru.

DIAGNOSIS: Males resemble those of O. golem by the general shape of the palp, with a similar morphology of the embolus region, but can be distinguished by the carapace higher in the clypeus area (fig. 90A–C). Females can be distinguished by the rhomboid anterior receptaculum (fig. 99A).

MALE (PBI_OON 30941): CEPHALOTHO- RAX (fig. 90A–D): Carapace length 0.58; wide oval in dorsal view (fig. 90A). Clypeus as in figure 90B, C. Sternum wider than long (fig. 90D). Anterior face of chelicerae with basal blunt projections. Labium rectangular, with dark projections to sternum. ABDOMEN: Pale white. LEGS: Yellow. GENITALIA: Embolus long, robust, with cuticular projection near base, visible in dorsal view; sperm duct slightly coiled (fig. 96A–C).

FEMALE (PBI_OON 30941): Total length 1.26. Habitus as in figure 90E, F. CEPHALOTHORAX: Sternum longer than wide. GENITALIA: External pockets absent, internal pockets well developed,

anterior receptaculum with rhomboid lateral projections; posterior receptaculum absent, posterior apodeme formed by entire plate (fig. 99A).

DISTRIBUTION: Known from the province of Napo, Ecuador (map 10).

OTHER MATERIAL EXAMINED: ECUADOR: Napo: Parque Nacional Napo-Galeras, road between Tena and Loreto , 1105 m, -0.73333°, -77.59130°, Nov. 27, 2009, Niarchos Expedition, M. Ramírez, C. Grismado, M. Izquierdo, F. Labarque, 1♀ ( MACN 28654 , PBI _ OON 30283) ; same data, 1♀, 5 juveniles, sex unknown ( MACN 28653 PBI _OON 30671) ; Sacha Wagra Lodge, Rio Hollin , 665 m, -0.95500°, -77.74750°, Nov. 29, 2009, Niarchos Expedition, 13 ( MACN 28894 , PBI _ OON 30857) ; same data, 13 ( MACN 28650 , PBI _ OON 30871) ; same data, 1♀ ( MACN 28649 PBI _OON 30927) ; Tena, Puerto Napo, Estación Biológica Jatun Sacha , 410 m, -1.06583°, -77.61666°, Dec. 01, 2009, to Dec. 05, 2009, Niarchos Expedition, 1♀ ( MACN 28661 , PBI _OON 30886) .

Figures

FIGURE 90. Orchestina quijos. A–D. Cephalothorax of male. E, F. Habitus of female. A, E. Dorsal. B, F. Lateral. C. Anterior, arrow points to sinuous clypeus. D. Ventral. Scale bars: A–D. 0.2 mm. E, F. 0.5 mm. (PBI_ OON 30871, 30927).

FIGURE 96. Orchestina spp., palps of males. A–C. O . quijos. D–F. O . mayo. A, D. Prolateral. B, E. Dorsal. C, F. Retrolateral. Scale bars: 0.2 mm. (PBI_OON 30871, 30889).

FIGURE 99. Orchestina spp., female genitalia, ventral view. A. O . quijos. B. O . santodomingo, cleared. C. O . yanayacu, cleared. Scale bars: 0.2 mm. (PBI_OON 30927, 50048, 30745).