Tridrepana hainana Chu & Wang, 1988

Song, Wenhui, Xue, Dayong & Han, Hongxiang, 2011, A taxonomic revision of Tridrepana Swinhoe, 1895 in China, with descriptions of three new species (Lepidoptera, Drepanidae), Zootaxa 3021, pp. 39-62 : 50

Tridrepana hainana Chu & Wang, 1988

Figs 40–41, 76, 99, 119–120

Tridrepana hainana Chu & Wang, 1988 , Acta Entom. Sinica, 31 (2): 207, fig. 5, pl.1: 10. Holotype ♂, China: Hainan: Jianfeng. (IZCAS)

Diagnosis. This species is close to T. crocea on both external and male genitalic features. But in T. hainana , the socii are longer; the dorsal part of the gnathos is much broader and concave medially, with long hairs, while it is semicircular with short spines in T. crocea ; the anellus is slender, with the basal branches thinner and less sclerotized than in T. crocea , the middle of the anellus bears an acute process, and the end of the anellus has a pair of triangular processes, both of them pointed ventrally; the posterior margin of the eighth tergite is concave and with two pointed tines in T. hainana , but rounded in T. crocea ; the posterior margin of the eighth sternite is round in T. hainana but bell-like and concave in T. crocea .

Material examined. CHINA, Hainan: Jianfeng , 28.IV.1978, 1♂ (Holotype); Ledong, Jianfengling, Yulingu, 746 m, 19.V.2009, coll. Yan Keji, 1♂ ( IZCAS) .

Distribution. China (Hainan).