Heteroonops gabrielsantosi 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 gabrielsantosi Duperre sp. nov. Figs 26 , 27 , 40

Type material.

Female holotype from Dominican Republic, La Vega Province, Constanza, Valle Nuevo National Park, 'Jurassic Park’, 18.688N, 70.596W, 2100 m, 26.vi.2012, team CarBio (NMNH, USNMENT 01747009). Two female paratypes (USNMENT 01747010, 01747011), same data.

Etymology.

The specific epithet is a noun in apposition honoring local arachnologist and CarBio collaborator Gabriel Santos.

Diagnosis.

Females can be diagnosed from all species by the arch wing-like projections of the internal genitalia and large oval posterior receptaculum (Fig. 27 ).

Description.

Female: Total length: 2.31; carapace length: 0.91; carapace width: 0.84. Cephalothorax: Carapace ovoid; shiny, light yellow; pars cephalica flat. Sternum light yellow; longer than wide; covered entirely with long dark setae. Endites light yellow, not modified; labium light yellow. Clypeus vertical, short (1/2 × radius of ALE). Chelicerae light 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; whitish covered dorsally with long dark setae; epigastric and postepigastric scuta light orange, well sclerotized (Fig. 26 ). Legs: Femora with basal half whitish, apical half, light yellow; other leg segments light yellow; 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 crcifix-shaped structure visible through the scutum and the epigastric furrow (Fig. 26 ). Internal genitalia with triangular anterior receptaculum, projecting posteriorly; posterior receptaculum elongated oval, with large pore field; wing-like projections arched (Fig. 27 ).

Male: Unknown.

Other material examined.

None.

Distribution.

Dominican Republic, La Vega Province (Fig. 40 ).

Figures

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

Figures 23 - 27. Heteroonops carlosviquezi sp. nov., female (23 - 25). Heteroonops gabrielsantosi sp. nov., female (27). 23 Epigynal region, ventral view 24 internal genitalia, dorsal view 25 abdomen, dorsal view 26 epigynal region, ventral view 27 internal genitalia, dorsal view.