Taxonomic study of the genus Thecobathra Meyrick (Lepidoptera: Yponomeutidae) in China, with descriptions of eight new species Author Liu, Haoyu 0009-0001-9556-1526 College of Life Sciences, Nankai University, Tianjin 300071, China. & liuhaoyulisa @ 163. com; https: // orcid. org / 0009 - 0001 - 9556 - 1526 Author Wang, Shuxia College of Life Sciences, Nankai University, Tianjin 300071, China. text Zootaxa 2023 2023-08-10 5325 4 483 508 http://dx.doi.org/10.11646/zootaxa.5325.4.2 journal article 54817 10.11646/zootaxa.5325.4.2 83f870a7-384b-4bf7-926b-424795815e17 1175-5326 8243618 8FD2B222-ACC1-4C8B-B18C-799B1A2F9F1D Thecobathra paranas Fan, Jin et Li, 2008 ( Fig 30 ) Thecobathra paranas Fan, Jin et Li, 2008: 20 . TL: China ( Yunnan ). TD: NKU. Material examined. CHINA , Yunnan : Holotype ♁, Ruili Rare Botanical Garden ( 24.00°N , 97.08°E ), 1000 m , 7.VIII.2005 , leg. YD Ren , slide No. FXM07040. Additional material. Yunnan : 1♁, Zijiaosuo ( 24.40°N , 100.84°E ), Jingdong County , 1244 m , 5.VII.2013 , leg. SR Liu et al ., slide No. LHY21513; 3♁, Bubeng Town ( 21.59°N , 101.58°E ), 652 m , 11.VII.2013 , leg. SR Liu et al ., slide No. LHY21516; 3♁ 1♀ , Yexianggu ( 22.17°N , 100.87°E ), Xishuangbanna , 762 m , 9‒13.VII.2015 , leg. KJ Teng & X Bai , slide Nos. LHY21544♁, LHY21545♁, LHY21648 , LHY21755 ♁. Diagnosis. Thecobathra paranas can be distinguished by the valva with a tooth on the ventral margin near middle, and the sacculus concave inward ventrally ( Fan et al . 2008: 21 , fig. 13). Description. Adult. Wingspan 13.0‒ 14.5 mm . Female genitalia ( Fig.30 ).Apophyses posteriores1.5 times length of apophyses anteriores.Lamella postvaginalis composed of a pair of sclerotized, broadly ovate plates. Antrum about 1/3 length of ductus bursae, parallel-sided, sclerotized, with a longitudinal medial fold. Ductus bursae 1.5 times length of corpus bursae, sclerotized in posterior half. Corpus bursae large, oviform; signum C-shaped in posterior 1/3, serrate along margin of concavity, equally wide in middle 1/3, spiniform in anterior 1/3, lateral flange large, thorn-shaped. Distribution. China ( Yunnan ). Note. The female is described for the first time.