A New Species of the Genus Hepialus (Lepidoptera: Hepialidae) from China

Abstract

A new species Hepialus xiaojinensis, sp. nov. is described from Aba City of Sichuan Province, China. Type specimens are deposited in the Insect Collection of Southwest University, Chongqing, China and Chongqing Academy of Chinese Materia Medica, Chongqing, China.Hepialus xiaojinensis, sp. nov. (Figs. 1~6) Body length: 14.0 mm; 17.0~19.0 mm. This new species is similar to H. jialangensis Yang, 1994, but different from the latter by the male genitalia and venation: 1) The internal margin of tegumen smooth instead of serrate, near the base of tegumen with an acute teeth instead of crapy and the lower part of saccus nearly transverse. 2) Lower part of saccus depressed shallowly; in the latter is more depressed. 3) The R5 connected with M1 by a cross vein in fore and hind wings, two anals instead of one anal in hind wing. 4) The bifurcation of R2+3 and R4+5 has a closed cell, the cross veins between Rs and M1 is nearly straight; the closed cell of latter is vacancy, and the cross veins between Rs and M1 is curved. Holotype: Xiaojin County (3054N, 10218E; 4 300~4 800 m), Aba City, Sichuan Province, China, 20--2006, coll. TU Yong-qin, deposited in the Insect Collection of Southwest University, Chongqing, China; Paratypes: 2, same date as holotype, deposited in the Insect Collection of Southwest University, Chongqing, China and Chongqing Academy of Chinese Materia Medica, Chongqing, China. Etymology:This new specie is named after its type locality.

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