Abstract
The genus Tridrepana Swinhoe in China is reviewed, nineteen species are recognized, of which, three new species T. sub-adelpha sp. nov., T. bicuspidata sp. nov. and T. subunispina sp. nov. from Yunnan and Hainan are described; two new synonyms are introduced: T. leva Chu & Wang, 1988. syn. n. (= T. crocea (Leech, 1888)) and T. flava sinica Chu & Wang, 1988. syn. n. (= T. flava flava (Moore, 1879)); T. emina is sunk to be a subspecies of T arikana; T. argentistriga Warren, 1896 and T. rubromarginata indica Watson, 1957 are recorded in China for the first time. Descriptions for the genus and new species, a key and diagnoses for the Chinese species are provided. Illustrations of the external features and the genitalia are presented.