Promustilia yajiangensis Wang, X. & Zolotuhin

Wang, Xing, Wang, Min, Zolotuhin, Vadim V., Hirowatari, Toshiya, Wu, Shipher & Huang, Guo-Hua, 2015, The fauna of the family Bombycidae sensu lato (Insecta, Lepidoptera, Bombycoidea) from Mainland China, Taiwan and Hainan Islands, Zootaxa 3989 (1), pp. 1-138: 56

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Promustilia yajiangensis Wang, X. & Zolotuhin

sp. nov.

32. Promustilia yajiangensis Wang, X. & Zolotuhin  , sp. nov. ( FIGURES 20View FIGURE 20 C, 20 E)

Type locality: Bajiaolou Town, Yajiang County, Sichuan Province, China.

Diagnosis. This species is very similar to P. andracoides  ,but can be distinguished by the following characters: forewing with postmedial line obscure; submarginal line almost straight over most of its length, edged with white; hindwing with postmedial line straight, bordered with white; saccus narrow.

Description. Male: Wingspan = 35–37 mm; forewing length = 19–22 mm; antennal length = 6–9 mm; body length = 14–16 mm.

Head. Vertex covered with yellow hair; antennae brown, basal 2 / 3 pectinate, apical 1 / 3 serrate, base dorsally half white, half dark brown.

Thorax. Densely covered dorsally with brown hairs over ocher; ventrally brown; forewing dark brown over distal half, lower half light brown; costa and inner edge straight; costa at 1 / 5 from base with a black spot; discal cell with a small black spot; antemedial and postmedial lines almost straight, dark brown; the outer edge of the latter highlighted in white; hindwing is divided into pale and dark brown halves as the forewing; discal cell with a small black spot; postmedial line straight, dark brown, outer edge highlighted in white; inner edge with dark brown fringes, slightly concave near tornus.

Abdomen. Densely covered with black hairs, mixed with a small amount of red-brown and reddish-brown hairs..

Male genitalia. Sternite 8 ovoid, posterior margin slightly concave, anterior margin broadly rounded. Uncus bifid, the lobes finger-shaped; gnathos a broadly triangular and apically rounded plate; valvae large, broad basally, apically angled and broadly rounded, with slender hairs; aedeagus expanded apically, ventral margin produced as a short, blunt process; vesica covered with numerous small sharply pointed cornuti arranged into several fields.

Female. Unknown.

Specimens examined. Holotype, male, Bajiaolou Town, Yajiang County, Sichuan Province, China, 6.VIII. 2004, Min Wang & Xiao-Ling Fan leg. ( SCAU); Paratype, 1 male, same data as holotype but 23.VII. 2009, Min Wang & Guo-Hua Huang leg. ( HUNAU).

Bionomics. Larval host unknown.

Etymology. The scientific name is derived from the type locality, Yajiang county.

Distribution. Mainland China (Sichuan).

Remarks. This new species is endemic to Sichuan Province.