Thaiderces miantiao Li & Chang sp. nov. Figs 2N, 14, 27H, 29

Types.

Holotype: ♀ (IZCAS), Thailand, Nakhon Srithammarat Province, Thung Song District, outside of Ta Lod Cave, 08°2.3667'N, 99°44.8333'E, 120 m, 14.X.2015, Zhao Q., Zhou G., Chen Z.

Etymology.

The species name is a noun in apposition derived from the Chinese pinyin miàntiáo (noodle) and refers to the spermathecae structure which resembles curly noodles (twisted structure).

Diagnosis.

See diagnosis for T. zuichun sp. nov.

Description.

Female. Total length 1.56; carapace 0.54 long, 0.60 wide; abdomen 1.02 long, 0.86 wide. Carapace round and brown, with two longitudinal dark brown bands laterally, and a central dark brown patch (Fig. 14C). Chelicerae brown (Fig. 27H). Clypeus brown. Endites brown. Labium dark brown. Sternum with dark brown pattern. Abdomen elongated, with indistinct brown pattern (Fig. 14C), ventrum with two circular patches followed by an ovate epigastric area anteriorly, posterior with yellow dotted lines laterally and indistinct brown pattern (Fig. 14D). Legs uniformly brown; measurements: I 5.05 (1.20, 0.15, 1.50, 1.50, 0.70), II‒IV missing. Endogyne: two pairs of strongly twisted helical spermathecae, with globose distal part nearly the same width as the stalk, stalk en times longer than the globose head, ratio of lateral pairs of spermathecae interdistance to median pair interdistance 1: 3.5 (Fig. 14A).

Male. Unknown.

Distribution.

Known only from the type locality (Fig. 29).