In this paper the genus Hermenias Meyrick is reported for the first time from the Chinese mainland with H.semicurva(Meyrick,1912).Photographs of the adults and genitalia of H.semicurva are provided.A key to the two regional species is given.
Two species ofNoduliferola Kuznetsov are recorded. Noduliferola insuetana Kuznetsov is reported in China for the first time; N. abstrusa Kuznetsov is redescribed. A key to Chinese species is given. Photographs of adults and genitalia of the two species are provided. All the specimens examined are deposited in the Insect Collection, College of Life Sciences, Nankai University, Tianjin, China unless otherwise noted.
Two species of the genus Metacosma are discussed: Metacosma bispinalis sp. nov. is described as new, and M. miratorana Kuznetzov, 1988 is redescribed and newly reported from China. Photographs of adults and genitalia are provided, along with a key to all known species of Metacosma.
The genus Pseudancylis Horak is reported for the first time from China. P. acrogypsa （Turner, 1916） is described as new to China based on specimens from Guangxi Zhuang Autonomous Region. Images of the adults and the genital structures ofP. acrogypsa are provided. A key to the species ofPseudancylis Horak and a world checklist is presented.
Two species of Heleanna Clarke are recorded in this paper. The genus Heleanna is first reported in Chinese mainland. H. turpinivora Nasu Byun, already known from Korea and Japan, is now reported in China. Variation in the female genitalia is described. A key to Chinese species of Heleanna is given.Photographs of the adults and genitalia of H. turpinivora are provided.
The genus Eucoenogenes Meyrick is known from the Palaearctic and Oriental regions.In the present paper,two species of the genus Eucoenogenes are recognized from China.E.ancyrota(Meyrick,1907)is reported in detail for the first time in China.Some characters of male genitalia are increased and variation of uncus between specimens from China and other areas is remarked.A key to the species of Eucoenogenes is provided based on the characters of male genitalia.The photographs of adult and male genitalia of E.ancyrota are given.
