The fauna of the family Bombycidae sensu lato (Insecta, Lepidoptera, Bombycoidea) from Mainland China, Taiwan and Hainan Islands Author Wang, Xing Author Wang, Min Author Zolotuhin, Vadim V. Author Hirowatari, Toshiya Author Wu, Shipher Author Huang, Guo-Hua text Zootaxa 2015 3989 1 1 138 journal article 10.11646/zootaxa.3989.1.1 6659f502-4940-4db3-aeb3-0bcc1d93932b 1175-5326 238716 9BCFFC47-43D1-47B8-BA56-70A129E6A63F V Triuncina Dierl, 1978 ( FIGURES 9–10 ) Triuncina Dierl, 1978 , Spixiana 1 (3): 246. Type species: Trilocha brunnea Wileman, 1911 , by monotypy. Diagnosis. Characterized by the following features: wings reddish brown; forewing apex blunt, outer margin straight; hindwing inner margin with a complex pattern; uncus small and stick-like; socii strongly modified into flattened pyramidal or ovoid processes laterally on the tegumen; valvae short hooked; saccus well-developed; aedeagus slender and long. Distribution. Oriental Region. Remarks. The species have very local distributions and genital dissection is strongly recommended to confirm identifications due to strong external similiarity. Five species are here recorded from China (Map 5), of which two are described as new. Map 5. Distribution of Triuncina spp. mainly in China