Redescription of the genus Opisthoncus L. Koch, 1880 (Araneae: Salticidae) Author Gardzińska, Joanna Author Żabka, Marek text Zootaxa 2013 3717 4 401 447 journal article 10.11646/zootaxa.3717.4.1 23e9c4f0-f1c2-4ab7-8d5a-2cf7d90c88a0 1175-5326 246494 55248289-2E05-4F07-BFC7-99AFED7D4E93 Opisthoncus quadratarius (L. Koch, 1867) ( Fig. 25 ) Attus quadratarius Koch L. 1867: 227 . Opisthoncus quadratarius : Keyserling. 1882: 1337 ; Rainbow 1911: 310, Żabka, 1991: 47. Type material. 1F, 1 juv. Syntypes , ZMH, Mus. Godeffroy 2258, Australia : Brisbane [Queensland]. Diagnosis. Cheliceral retromargin with 4 fused teeth ( Fig. 25 E). Copulatory openings relatively small, oriented mid-anteriorly, insemination ducts moderately short, membranous parts coiled in anterior part of epigyne in single circles, intermediate ducts curved and looped as in Fig. 25 H, spermathecae relatively large. Description. Female ( Fig. 25 ) about 9 mm long. Cephalothorax round and moderately high (CW = 90% of CL, CH = 54% of CL), brown, somewhat lighter in eye field, clothed in recumbent, pallid scales, with paler markings around eyes and central protuberance ( Figs 20 B–C). Surrounding of eyes dark brown. Cheeks with oblique scales ( Fig. 25 D). Clypeus brown, densely covered with pallid scales and setae, also the base of chelicerae, the latter brown, with dentition as in diagnosis. Endites and labium brown, with yellow anterior margins. Sternum relatively wide, orange, with scattered fine, pallid hairs ( Fig. 25 F). Abdomen yellowish, mottled orange, with rather indistinct paler longitudinal medial area, bordered by four brownish patches. Spinnerets orange. Venter pale yellow, with elongate stripes of small orange dots. Pedipalps orange. Legs orange, with pallid scales on dorsolateral surface of coxae, trochanters and femora. Epigyne as in Figs 25 G–H. Dimensions. CL 3.68, CW 3.32, CH 2.00, AEW 2.32, PEW 2.40, EFL 1.28, AL 5.40, AW 2.84, L1 10.15 (2.88+2.35+2.40+1.64+0.88). Male unknown.