Althepus qianhuang Li & Li

Li, Fengyuan, Liu, Chang & Li, Shuqiang, 2018, Ten new species of the spider genus Althepus Thorell, 1898 from Southeast Asia (Araneae, Ochyroceratidae), ZooKeys 776, pp. 27-60: 36-37

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Althepus qianhuang Li & Li

sp. n.

Althepus qianhuang Li & Li  sp. n. Figs 11, 12, 20, 22


Holotype: ♂, Indonesia, Jawa, Special District of Yogyakarta, Kulon Progo Town, Girimulyo, Jatimulyo Village, Gua (Cave) Kiskendo, 7°44.86'S, 110°07.87'E, 662 m a.s.l., 28.VIII.2014, Z. Yao and H. Zhao. Paratypes: 2♀, same data as holotype.


The specific name is derived from the Chinese pinyin 'qian huang’, which means 'pale yellow’, referring to the pale yellow colour of ocular area (Figure 12C, D); adjective.


Althepus qianhuang  Li & Li, sp. n. can be distinguished from all other known species of the genus by the nearly parallel conductor and embolus in males (Figure 11); by a large membranous sac extending posteriorly and 1-2 small round spermatheca(e) on each side in the internal genitalia of females (Figure 12A).


Male (holotype). Total length 4.49; carapace 1.55 length, 1.48 width; abdomen 2.80 length, 1.31 width. Carapace round, pale yellow, with brown lateral margins and one wide, brown median band, the middle one wider than the others (Figure 12C). Anterior margin of cephalic region distinctly elevated. Cheliceral promargin with two teeth, followed by a lamina, retromargin with two small teeth (Figure 20F), posterior surface of fang with 21 small denticles. Labium brown. Sternum brown. Abdomen elongate, with complex patterns dorsally and ventrally (Figure 12C). Legs brown, femur and tibia with white annulations. Leg measurements: I - (10.13, 0.63, 9.62, 17.31, -), II 25.30 (7.05, 0.63, 6.41, 9.75, 1.46), III 16.19 (4.65, 0.60, 3.92, 5.71, 1.31), IV missing. Male palp (Figure 11 A–D): tarsus with one hooked spine with tip directed distally (Figure 11A); bristles at the top of the cymbial protrusion (Figure 11C) as in A. hongguangi  Li & Li, sp. n.; bulb yellow, ovate; embolus arising distally from bulb, short, slightly curved; conductor arising distally from bulb, short, slightly curved; embolus and conductor slightly separated (distance less than diameter of bulb).

Female (one of the paratypes). Total length 4.87; carapace 1.39 length, 1.44 width; abdomen 2.96 length, 1.70 width. Similar to male in colour and general features (Figure 12 D–E) but larger. Internal genitalia with 1-2 small round spermatheca(e) on each side and a large posterior sac (Figure 12A). Leg measurements: I missing, II missing, III 12.81 (3.68, 0.46, 3.28, 4.30, 1.09), IV missing.


Females: carapace 1.17-1.39 length, 1.27-1.44 width; leg I lost (the number of specimens = 2).


Indonesia. Known only from the type locality (Figure 22).

Natural history.

Collected at a cave entrance at an altitude of 662 m.


Althepus qianhuang  Li & Li, sp. n., was labelled as "sp. 119" in the analysis of Li and Li (2018).