Review of the genus Venusia Curtis, 1938 (Lepidoptera: Geometridae: Larentiinae) from Xizang, China

Based on the identification of specimens of the genus Venusia (Larentiinae) collected from Xizang, a total of seven species were recognized, including one newly recorded species in Xizang: Venusia crassisigna Inoue, 1987, with the remaining 6 being known species in the region. In this paper, the morphological characteristics of adults and the genitalia of Venusia crassisigna are described in detail, and images of adults and corresponding genitalia of these 7 species, as well as their distributuio information at home and abroad, are provided. All examined specimens are deposited in the Institute of Plateau Ecology, Xizang Agricultural and Animal Husbandry University.