A taxonomic review of Thiotricha Meyrick, 1886 (Lepidoptera, Gelechiidae, Thiotrichinae) from China, with descriptions of 84 new species Author Lee, Ga-Eun 0000-0002-5774-5850 College of Life Sciences, Nankai University, Tianjin 300071, China gaeunlee 486 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5774 - 5850 & Research Institute for Basic Sciences, Jeju National University, Jeju 63243, Korea Corresponding author: lihouhun @ nankai. edu. cn; https: // orcid. org / 0000 - 0002 - 8953 - 3422 gaeunlee486@gmail.com Author Li, Houhun 0000-0002-5774-5850 College of Life Sciences, Nankai University, Tianjin 300071, China gaeunlee 486 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5774 - 5850 & College of Life and Geographic Sciences, Kashi University, Kashi 844000, China; Xinjiang Key Laboratory of Biological Resources and Ecology of Pamirs Plateau, Kashi 844000, China gaeunlee486@gmail.com text Zootaxa 2024 2024-05-15 5449 1 1 222 http://dx.doi.org/10.11646/zootaxa.5449.1.1 journal article 10.11646/zootaxa.5449.1.1 1175-5334 11233121 CAC513A2-D2B4-4E6E-BAB6-CCE6E054680F Thiotricha hoplomacha Meyrick, 1908 ( Figs 1C , 21D , 27R , 45B , 66G, H , 73C ) Thiotricha hoplomacha Meyrick, 1908: 441 ; 1925: 102 ; Gaede, 1937: 305 ; Clarke, 1969: 460 ; Ivinskis et al ., 1984: 39 . TL: Assam , India . TD: NHMUK. Type material ( Figs 66G, H , 73C ). Holotype ♂ , INDIA , Assam , Khasi Hills , ix.1906 , genitalia slide no. J. F.G.C. 8331 ( NHMUK ). Additional material examined. CHINA : Xizang Autonomous Region : 2 ♂♂ , 80 K ( 29.66°N , 95.49°E ), 2076 m , Motuo County , 8.viii.2018 , leg. Mujie Qi , genitalia slide nos. LGE18611, LGE18612 . Diagnosis. Adult ( Figs 1C , 21D ). Wingspan 14.0− 17.5 mm . It is a large and slender moth with round forewing apex. The wing markings are unique in the genus as three transverse streaks are obliquely running from dorsum toward costa. The male genitalia ( Fig. 45B ) are differentiated from its allies by the large ovate anellus lobe bearing a spine-like apical bristle. Variations. The oblique streak near the forewing base is short and almost reached the fold in the holotype whereas the streak is much longer and meets the costal band in two males from China . Also , the Chinese specimens have the forewing apex tinged with rosy pink. In the male genitalia, the aedeagi of Chinese specimens have the ventral surface projected at distal 1/3, but the projection is invisible in the holotype . It is possibly due to the different direction when mounted, but additional specimens need to be examined to confirm the variation of the shape of aedeagus . Distribution. China ( Xizang ), India . Remarks. This species is recorded from China for the first time.