Euscorpiops yangi Zhu, Zhang & Lourenco , 2007

Di, Zhiyong, He, Yawen, Wu, Yingliang, Cao, Zhijian, Liu, Hui, Jiang, Dahe & Li, Wenxin, 2011, The scorpions of Yunnan (China): updated identification key, new record and redescriptions of Euscorpiops kubani and E. shidian (Arachnida, Scorpiones), ZooKeys 82, pp. 1-33 : 19-21

Euscorpiops yangi Zhu, Zhang & Lourenco, 2007 Figures 111-117

Euscorpiops yangi Zhu et al. 2007: 20-25, Figs 1-22, tab. 1.

Type locality.

China, Yunnan Province, Maguan District.

Type material.

Male holotype, China, Yunnan Province, Maguan District, Gulingqing Town (23°00'N, 104°18'E), 20/VII/2006, Zizhong Yang and Yulong Wang leg, (Ar.-MHBU-0011); 3 males and 1 female paratypes, same data as holotype (1 male paratype in MNHN, the others in MHBU).

Diagnosis.

(Modified from Zhu et al. 2007)Medium-sized scorpion with total length 46.1 to 51.3 (4 males and 1 female); patella of pedipalp with 9 to 10 ventral trichobothria (Figs 115-117); chela narrow and elongated, the length/width ratio is 3.4 on males (4 specimens) and 3.3 on female (1 specimen), the chela length/carapace length ratio is equal or greater than 2.0; pedipalp fingers of males and females nearly straight (Figs 112, 114).

Euscorpiops yangi can be distinguished from other related species of the genus Euscorpiops by the following features: patella of pedipalp with 9 to 10 ventral trichobothria, whereas in Euscorpiops shidian with 11 (rarely 10 or 12); chela narrow and elongated; the length/ width ratio is 3.4 in males and 3.3 in females, compared with 2.7-3.2 in Euscorpiops kubani , 2.9-3.2 in Euscorpiops validus , and 2.6-2.8 in Euscorpiops puerensis . Euscorpiops yangi can be ditinguished from Euscorpiops xui by the following features: patella of pedipalp with 18 external trichobothria whereas in Euscorpiops xui with 18-19; chela with length/width ratio 3.4 in males and 3.3 in females, whereas on Euscorpiops xui withlength/width ratio 4.0-4.1 in males (2 specimens) and 3.4-3.6 in females (2 specimens).

Description.

See Zhu et al. (2007).

Ecology.

This species is uncommon, found under stones.

Distribution.

China (Yunnan).