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
43005
10.11646/zootaxa.3717.4.1
23e9c4f0-f1c2-4ab7-8d5a-2cf7d90c88a0
1175-5326
246494
55248289-2E05-4F07-BFC7-99AFED7D4E93
Opisthoncus rubriceps
(Thorell, 1881)
(
Fig. 26
)
Marptusa rubriceps
: Thorell 1881: 437
.
Trite rubiceps
: Simon, 1903: 829
.
Opisthoncus rubiceps
: Żabka 1991: 47
.
Type
material.
1M
Holotype
, MCSNG,
Australia
: Somerset, Cape York [Queensland], leg. L. M. D’Albertis.
Diagnosis.
Male cheliceral promarginal teeth vary in size (
Figs 26
B, D). Retromargins of unclear pattern, with 4–5 teeth. Frontal spurs conical (
Fig. 26
B). Ventral spurs flat, small, located close to the proper retromarginal teeth (
Fig. 26
D). Tegulum elliptic, narrow, embolus moderately long, arising at about 6 o’clock. Differs from other species by combination of palpal organ details and cheliceral armament.
Description.
Male
(
Fig. 26
) about
6 mm
long. Cephalothorax moderately round (CW = 85% of CL) and rather flat (
CH
= 42% of CL), light brown, covered with fine, pallid scales (
Figs 26
A–C). Surrounding of eyes black. Clypeus very narrow, light brown, covered with sparse pallid setae (
Fig. 26
B). Chelicerae pale brown, endites and labium orange-yelow, sternum relatively wide, yellow. Abdomen elongate, yellow with orange dorsal scutum, colour pattern rather indistinct (
Fig. 26
A). Venter yellowish, with elongate stripes of small grey dots. Spinnerets yellow. Legs I brown, others orange-brownish. Palpal organ (
Figs 26
E–G): tegulum elliptic, moderately narrow, embolus set distally, translucent part of spermophore not meandering, tibia 47% of cymbium length, retrolateral tibial apophysis moderately long.
Dimensions. CL 2.40, CW 2.05,
CH
1.00, AEW 1.40, PEW 1.50, EFL 0.85, AL 3.65, AW 1.55, L1 7.55 (2.05+1.60+2.00+1.25+0.65)
Female
unknown.