Austrodomus gamsberg, Rodrigues & Rheims, 2020

Rodrigues, Bruno V. B. & Rheims, Cristina A., 2020, An overview of the African genera of Prodidominae spiders: descriptions and remarks (Araneae: Gnaphosidae), Zootaxa 4799 (1), pp. 1-80 : 17-18

Austrodomus gamsberg sp. nov.

Figs 9 A–C

Type material. Male holotype from Namibia, Windhoek, Gamsberg Plateau, 23°20’03’’S 16°14’22.2’’E, 19 March 2005, T. L & C. Bird leg., deposited in SMN 46156 .

Etymology. The specific name refers to the type locality, noun in apposition.

Diagnosis. Males of Austrodomus gamsberg sp. nov. differ from A. scaber by the palp with the distal half of the embolus robust and ventrally bent in the middle (distal half of the embolus slender and tapering in A. scaber ) ( Figs 9A, B ). Females are unknown.

Description. Male. Total length: 2.03. Carapace 0.98 long, 0.76 wide; Abdomen 1.08 long, 0.66 wide; Sternum 0.74 long, 0.52 wide; Spinnerets ALS 0.18 long, 0.14 wide. Eye diameters: AME 0.06, ALE 0.06, PME 0.04, PLE 0.06; interdistances: AME–AME 0.04, PME–PME 0.04. Chelicerae 0.31 long. Leg formula 4123; measurements: I: 3.09 (0.95, 0.58, 0.56, 0.55, 0.45); II: 2.34 (0.70, 0.40, 0.45, 0.42, 0.37); III: 1.92 (0.55, 0.31, 0.37, 0.35, 0.34); IV: 3.12 (0.86, 0.42, 0.70, 0.64, 0.50). Leg spination: III—femur d0-1-0; tibia v0-0-1r; metatarsus v0-0-1, r0-0-1. IV—femur d1-1-0; tibia v1r-1r-2; metatarsus v2-2-1, r0-0-1. Palp: femur without spine; vRTA subrectangular in ventral view; dRTA with tapered tip and directed ventrally in retrolateral view; conductor triangular, with wide base ( Figs 9 A–C).

Female. Unknown.

Distribution. Namibia, only known from the type locality ( Fig.10 ).

Figures

FIGURE 9. Austrodomus gamsberg sp. nov., male palp: (A) prolateral view; (B) ventral view; (C) retrolateral view. C—conductor; dRTA—dorsal retrolateral tibial apophysis; E—embolus; LETe—laminar extension of tegulum; vRTA—ventral retrolateral tibial apophysis. Scale bars: 0.25 mm.

FIGURE 10. Known distribution records of species of Austrodomus from Namibia, South Africa and Tanzania.