Orchestina osorno 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 osorno Izquierdo , new species

Figures 163 , 169B , 171B , 176B , map 31

TYPE: Female holotype from Chile: Región de Los Lagos (X): Provincia de Osorno: Parque Nacional Puyehue , Aguas Calientes (-40.681630°, -71.988162°) (1020 m), Dec. 13, 1998, to Dec. 17, 1998, M. Ramírez, L. Compagnucci, C. Grismado, L. Lopardo, deposited in MNSC, PBI_ OON 51091 ; Provincia de Llanquihue : P.N. Alerce Andino, 100 m, -41.58333°, -72.68333°, Nov. 23, 1993, Platnick, Catley, Ramírez and Allen, deposited 1 female paratye in AMNH, PBI_OON 42752 .

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

DIAGNOSIS: Females can be distinguished by the shape of the genitalia with external pockets placed over the epigastric fold and the anterior receptaculum slightly curved dorsally (figs. 169B, 171B, 176B).

MALE: Unknown.

FEMALE (PBI_OON 51091): Total length 1.30. Habitus as in figure 163. CEPHALOTHORAX: Labium rectangular. ABDOMEN: Separated from prosoma. GENITALIA: Besides diagnostic characters, epigastric ridges difficult to observe but placed near on the median part of epigastric region, internal pockets absent; anterior receptaculum slightly curved ventrally, anterior apodemes long; posterior receptaculum absent, posterior apodeme formed by entire plate (figs. 169B, 171B, 176B).

DISTRIBUTION: Known from the provinces of Llanquihue and Osorno, Chile (map 31).

OTHER MATERIAL EXAMINED: None.

Figures

FIGURE 163. Orchestina osorno, habitus of female paratype. A. Dorsal. B. Ventral. C. Lateral. Scale bars: 0.5 mm. (PBI_OON 42752).

FIGURE 169. Orchestina spp., female genitalia, ventral view. A. O . jaiba. B. O . osorno, holotype. C. O . curico, paratype. D. O . nahuelbuta, holotype. Abbreviation: SM, sclerotized margins in the epigastric area. Arrows point to the external pockets; asterisks show the sclerotized ridges in the epigastric fold area. Scale bars: 0.2 mm. (PBI_OON 42251, 51091, 2311, 2304).

FIGURE 171. Orchestina spp., cleared female genitalia, ventral view. A. O . jaiba, paratype. B. O. osorno, holotype. C. O . curico, paratype. D. O . nahuelbuta, holotype. Scale bars: 0.2 mm. (PBI_OON 14808, 51091, 2311, 2304).

FIGURE 176. Orchestina spp., drawings of female genitalia, ventral view. A. O . jaiba, paratype. B. O. osorno, holotype. C. O . curico, paratype. D. O . nahuelbuta, holotype (PBI_OON 2304). E. O . quenies. Arrows point to external pockets, asterisks to epigastric ridges. Scale bars: 0.1 mm. (PBI_OON 14808, 51091, 2311, 1946).