Adoxotoma nitida, Gardzińska, Joanna & Żabka, Marek, 2010

Gardzińska, Joanna & Żabka, Marek, 2010, A new genus and five new species of Astieae (Araneae: Salticidae) from Australia, with remarks on distribution, Zootaxa 2526, pp. 37-53 : 41

Adoxotoma nitida new species

( Figs 13–24 )

Type material. Holotype: male, Australia: Western Australia: Jarrahdale (Alcoa), Mine Area, 31°16'S, 116°06'E, April 1998, wet pitfall traps, K.E.C. Brennan, L. Ashby ( WAMP T49409). Paratype: 1 male, same data, April 1999, M.L. Moir ( WAMP T49412).

Etymology. Derived from abdominal scutum: nitidus (Lat.) = shiny, adjective.

Diagnosis. In comparison with the closest species, Adoxotoma chinopogon , chelicerae papillate, retrolateral tibial apophysis of palpal organ hook-like.

Description. Male (holotype, Figs 13–24 ): Carapace dark brown, eye field darker, eye surroundings black. Whole surface with sparse brown bristles and scale-like light hairs. Abdomen with shiny, dark scutum and greyish sides. Clypeus narrow, light brown, with three brown protruding central bristles and with long pale hairs overhanging towards chelicerae; the latter orange, papillate, with scattered fine, brown hairs and with two promarginal teeth and single 3-cuspidate (fissidentate) retromarginal tooth. Maxillae and labium orange-brown. Sternum orange, with brown margins and scattered brown hairs. Venter grey, spinnerets greyish. Leg femora, proximal patellae, lateral tibiae and metatarsi dark brown, the rest yellow. First legs more robust and darker than others, their tibiae and metatarsi with five and two pairs of ventrolateral spines, respectively. Leg formula: I–IV–II–III or I–IV–II=III. Pedipalps dark brown.

Palpal organ ( Figs 19–24 ): tegulum with retrolateral lobe, embolus dagger-like.

Dimensions: CL 1.95; CW 1.50; AEW 1.25; PEW 1.15; EFL 0.75; CH 0.85; AL 2.20; AW 1.35; LI 5.13 (1.60+1.10+1.25+0.75+0.43); LII 3.48 (1.13+0.65+0.75+0.60+0.35), LIII 3.36 (1.00+0.53+0.75+0.73+0.35), LIV 4.45 (1.20+0.60+1.15+1.10+0.40).

Female: unknown.

Distribution. Known from type locality.

Figures

FIGURES 13 – 22. Adoxotoma nitida new species, male holotype. 13 dorsal view; 14 side view; 15 ventral view; 16 – 17: cephalothorax (16 frontal, 17 dorsal); 18 chelicerae, maxillae and labium; 19 – 22 palpal organ (19 ventral, 20 dorsal, 21 retrolateral, 22 prolateral-ventral). Scale bars: 13 – 15 & 17 = 1 mm; 19 & 21 = 0.5 mm.

FIGURES 23 – 24. Adoxotoma nitida new species, male holotype. Palpal organ (23 ventral, 24 retrolateral). Scale bar = 0.5 mm.