Synopsis of Nothybidae (Diptera: Brachycera) from China, with redescription of Nothybus absens Lonsdale & Marshall Author Zhou, Jiale 0000-0002-8901-3187 Department of Entomology, College of Plant Protection, China Agricultural University, Beijing 100193, China & https: // orcid. org / 0000 - 0002 - 8901 - 3187 Author Marshall, Stephen A. 0000-0002-5732-9718 Insect Systematics Lab, School of Environmental Sciences, University of Guelph, Guelph, N 1 G 2 W 1, Ontario, Canada https: // orcid. org / 0000 - 0002 - 5732 - 9718 Author Yang, Ding Department of Entomology, College of Plant Protection, China Agricultural University, Beijing 100193, China text Zootaxa 2021 2021-02-05 4926 2 201 223 journal article 8300 10.11646/zootaxa.4926.2.3 8eb7fd40-5f23-4c11-9a20-3cb6c55260a8 1175-5326 4506019 AEAA4653-8556-4332-983C-480AFBD8C084 Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015 ( Figs 56–74 , 77 ) Nothybus kuznetsovorum Galinskaya & Shatalkin, 2015: 585 ; Galinskaya & Shatalkin, 2015: 583 ; Lonsdale & Marshall, 2016: 21 . Holotype (³): Vietnam , Phú Tho , ZMUM. Diagnosis. Frons ( Figs 59–61 ) with two velvety black anterior patches. Mesonotum ( Fig. 62 ) with irregularly 8 rows of presutural acrostichal setulae in mid-longitudinal stripe. Wing ( Fig. 63 ) with three clear and iridescent spots arranged in a straight line; dark brown transverse stripe anteriorly wide, entirely filling apex of cell r 1 ; CuA 1 with brown elongate oval patch not reaching dm-cu. Fore basitarsomere ( Fig. 64 ) white with base dark brown. Abdominal tergite 1 and anterior margin of tergite 2 yellowish orange, tergites 2 and 3 laterally with relatively wide orange regions ( Fig. 56 ). Material examined . CHINA : 2³ 1♀ , Yunnan , Lvchun , Mt. Huanglianshan ( N22.88528° , E102.271175° ), 15 Apr. 2018 , leg. L. Wang & X. Li ( CAU ); 1³, Yunnan , Mengla , Bubang Village ( N21.605465° , E101.590457° ), 11 May. 2009 , leg. T . Zhang ( CAU ); 1³, Yunnan , Mengla , Menglun , Shilin ( N24.777702° , E103.296508° ,), 21 Apr. 2007 , leg. F. Wang ( CAU ) . Distribution . CHINA ( Yunnan ) [ new record ]; LAOS ; THAILAND ; VIETNAM . Remarks. The Chinese specimens from our study differ from the redescriptions of Lonsdale & Marshall (2016) as follows: male abdominal tergite 4 yellowish orange with medial portion, anterior margin and posterior margin narrowly brownish; tergite 6 and terminalia pale yellow ( Figs 65, 66 ). Female abdominal tergite 6 mostly blackish brown, orange medially ( Figs 58 , 67 ).