Sexual dimorphism in the genus Acothrura Melichar, 1915 (Hemiptera: Lophopidae) and description of male and female specimens of A. impunctata (Jacobi, 1905) Author Liu, Yidi 0009-0006-3017-6543 College of Life Sciences, China West Normal University, Nanchong, Sichuan 637009, China. & Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, Sichuan 637009, China. 1452184229@qq.com Author Ren, Yujie 0009-0007-0416-479X College of Life Sciences, China West Normal University, Nanchong, Sichuan 637009, China. & Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, Sichuan 637009, China. Author Wang, Menglin 0000-0001-6240-6856 College of Life Sciences, China West Normal University, Nanchong, Sichuan 637009, China. & Key Laboratory of Southwest China Wildlife Resources Conservation (Ministry of Education), China West Normal University, Nanchong, Sichuan 637009, China. text Zootaxa 2024 2024-05-06 5447 2 225 238 http://dx.doi.org/10.11646/zootaxa.5360.3.8 journal article 10.11646/zootaxa.5447.2.4 1175-5326 11119472 FE4C4026-AB71-412F-82BE-3BB2813F03E2 Genus Acothrura Melichar, 1915 Type species: Acothrura impunctata ( Jacobi, 1905 ) Key to species of Acothrura 1. Male anal tube in dorsal view with two protrusions on apical margin directing to outward ( Liang 2000 : fig. 24).......................................................................................... A. orientalis ( Liang, 2000 ) - Male anal tube in dorsal view without such protrusions on apical margin......................................... 2 2. The apex of male anal tube triangular in lateral view ( Wang et al. 2016a : fig. 96). Periandrium with dorsal margin strongly convex at middle in lateral view ( Wang et al. 2016a : fig. 101).................... A. fucizona Wang, Chou & Yuan, 2000 - The apex of male anal tube truncated in lateral view ( Fig. 5 ). Periandrium with dorsal margin nearly straight at middle in lateral view ( Fig. 9 )................................................................... A. impunctata ( Jacobi, 1905 )