Heteroonops yuma Duperre, 2020

Duperre, Nadine, Francisco, Charlotte, Santana-Propper, Ella, Agnarsson, Ingi & Binford, Greta J., 2020, Heteroonops (Araneae, Oonopidae) spiders from Hispaniola: the discovery of ten new species, ZooKeys 964, pp. 1-30 : 1

Heteroonops yuma Duperre sp. nov. Figs 21 , 22 , 40

Type material.

Female holotype from Dominican Republic, Duarte Province, Occidental, San Rafael de Yuma, Loma Quita Espuela, 19.35504N, 70.111W, 200 m, 14.vi.2012, team CarBio (NMNH, USNMENT 01747006). Female paratype, same data (USNMENT 01747007).

Etymology.

The specific name is noun in apposition taken from the type locality, San Rafael de Yuma, Dominican Republic.

Diagnosis.

Females are distinguished from most species by the anterior receptaculum positioned on a narrow, short stalk; from H. vega by their larger anterior receptaculum projecting posteriorly (Fig. 22 ), not projecting in the later species ( Platnick and Dupérré 2009, fig. 211).

Description.

Female (holotype) Total length: 1.86; carapace length: 0.76; carapace width: 0.61. Cephalothorax: Carapace ovoid; shiny, whitish; pars cephalica flat. Sternum whitish; longer than wide; covered entirely with long dark setae. Endites withish, not modified; labium light whitish. Clypeus vertical; short (1/2 × radius of ALE). Chelicerae pale yellow; promargin and retromargin without teeth; fangs normal, 1/3 length of chelicerae. Eyes: Six eyes surrounded by black pigmentation; ALE largest, oval; PME squared; PLE smallest, oval; ALE separated by their radius; ALE-PLE touching; PLE-PME touching; PME touching. Abdomen: Oval; yellowish; epigastric and postepigastric scuta pale yellow, not well sclerotized (Fig. 21 ). Legs: whitish; tibia I with four pairs of ventral spines, metatarsus I with three pairs of ventral spines; leg formula 4123; all palpal segments with strong spines. Genitalia: Epigynal region not protruding with faint structure visible through the scuta (Fig. 21 ). Internal genitalia with triangular anterior receptaculum, projecting posteriorly (Fig. 22 ); posterior receptaculum transparent, W-shaped; wing-like projections golf club-shaped (Fig. 22 ).

Male: Unknown.

Other material examined.

None.

Distribution.

Dominican Republic, Duarte Province (Fig. 40 ).

Figures

Figure 40. Distribution map of all Heteroonops species found in Hispaniola.

Figures 21, 22. Heteroonops yuma sp. nov. Female. 21 Epigynal region, ventral view 22 internal genitalia, dorsal view.