Exaeretia indubitatella ( Hannemann, 1971 )

Liu, Shurong & Wang, Shuxia, 2010, One new species and three newly recorded species of the genus Exaeretia Stainton, 1849 (Lepidoptera: Elachistidae: Depressariinae) from China, Zootaxa 2444, pp. 45-50 : 48

Exaeretia indubitatella ( Hannemann, 1971)

( Figs. 3 , 7 , 11 )

Martyrhilda indubitatella Hannemann, 1971: 263 . Type locality: Mongolia (Cojbalsan Aimak). Exaeretia indubitatella ( Hannemann, 1971) : Ridout, 1977: 40.

Material examined. 1 3, China: Manhanshan, Liangcheng (40°32΄N, 112°29΄E), Inner Mongolia Autonomous Region, 1300 m, 8.viii.2002, coll. Dandan Zhang and Zhiqiang Li; 3 ♀♀, Mt. Qipan, Weichang (41°56΄N, 117°45΄E), Hebei Province, 16-17.vii.2001, coll. Yanli Du and Shulian Hao.

Diagnosis. Adult ( Fig. 3 ) with wingspan 18.0 mm. This species can be easily distinguished from other congeners by the vestigial uncus concave posteriorly, the relatively slender valva narrowly rounded at apex in the male genitalia ( Fig. 7 ), and the signum is lute-like, with a long stalk in the female genitalia ( Fig. 11 ).

Distribution. China (Inner Mongolia), Mongolia, Afghanistan.

Figures

FIGURES 1 – 4. Adults of Exaeretia spp.: 1, E. liupanshana Wang, sp. nov. (paratype, 3); 2, E. lechriosema (Meyrick); 3, E. indubitatella (Hannemann); 4, E. ciniflonella (Lienig & Zeller).

FIGURES 5 – 8. Male genitalia of Exaeretia spp.: 5, E. liupanshana Wang, sp. nov. (holotype, genitalia slide no. ZL 08247); 6, E. lechriosema (Meyrick); 7, E. indubitatella (Hannemann); 8, E. ciniflonella (Lienig & Zeller).

FIGURES 9 – 11. Female genitalia of Exaeretia spp: 9, E. liupanshana Wang, sp. nov. (paratype, genitalia slide no. ZL 08245); 10, E. lechriosema (Meyrick); 11, E. indubitatella (Hannemann).