Hamataliwa torsiva, Tang & Wang & Peng, 2012

Tang, Guo, Wang, Qiaobing & Peng, Xianjin, 2012, Two new species of the genus Hamataliwa Keyserling, 1887 (Araneae: Oxyopidae) from Gaoligong Mountains, Yunnan, China, Zootaxa 3544, pp. 63-70 : 69

publication ID	D2C1181F-6CFE-4485-B174-7E0CE7134BDB
publication LSID	lsid:zoobank.org:pub:D2C1181F-6CFE-4485-B174-7E0CE7134BDB
DOI	https://doi.org/10.5281/zenodo.5258257
persistent identifier	https://treatment.plazi.org/id/14535B44-6A50-B312-FF59-3BE42A6FFBCF
treatment provided by	Felipe
scientific name	Hamataliwa torsiva
status	sp. nov.

Treatment

Hamataliwa torsiva View in CoL sp. nov.

Figs 16–24

Type material ( CHINA: Yunnan, Tengchong County). Holotype: ♀, Houqiao Town , (N25º35.391', E98º25.488', 1785 m), 28 May 2006, X.P. Wang and P. Hu leg. ( HNU _Wang060528) GoogleMaps . Paratypes: 1 ♀, Jietou Town , Datang Village, Daheling (N25º42.018', E98º40.946', 1878 m), 19 May 2006, X.J. Peng, X.P. Wang and P. Hu leg. ( CAS _Peng060519) GoogleMaps .

Etymology. The specific name is an adjective from the Latin word torsivus (spiral), and refers to the spirally twisted copulatory ducts.

Diagnosis. This new species is similar to H. cucullata sp. nov. in copulatory opening being covered by a raised sclerite. The differences are discussed in the diagnosis of H. cucullata sp. nov.

Description. Female (holotype measured): Total length 4.70. Prosoma 1.85 long, 1.50 wide; opisthosoma 2.70 long, 1.80 wide. Carapace brown with grayish white scales. Ocular area black with light gray scales. Eye measurements: AME 0.07; ALE 0.19; PME 0.15; PLE 0.14; AME-AME 0.11; AME-ALE 0.04; PME-PME 0.30; PME-PLE 0.24. Eye row width measurement: I 0.24, II 0.53, III 0.90, IV 0.50. Clypeus height 0.33. Sternum yellow, marginally grayish brown; chelicera, labium and endites blackish brown, chelicera with two promarginal (one large, one small) and one large retromarginal tooth ( Fig. 18). Legs grayish brown with long spines. Leg measurements: I 6.40 (2.00, 2.20, 1.40, 0.80); II 5.70 (1.70, 2.00, 1.30, 0.70); III 4.75 (1.50, 1.60, 1.10, 0.55); IV 4.50 (1.40, 1.50, 1.20, 0.40), leg formula: 1234. Opisthosoma dorsally dark gray, with light brown markings bilaterally; ventrally yellow with dark gray marking mesally.

Epigynum ( Figs 19–24). Epigynal posterior sclerotized rim arc-shaped. A pair of laterally situated, raised sclerites covered the copulatory openings. Copulatory ducts twisted; spermathecae globular.

Male: Unknown.

Variation. Female total length: 4.40, 4.70 (n=2).

Distribution. China (Yunnan).