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 kempi ( Brunetti, 1913 ) ( Figs 38–55 , 76 ) Psila kempi Brunetti, 1913: 187 . Syntypes (3 ³♀ ): India , Assam , depository unknown (lost?). Nothybus kempi : Enderlein, 1922: 175 ; Aczél, 1955: 9 ; Frey, 1958: 39 ; Steyskal, 1977: 30 ; Meier et al ., 1999: 209 ; Papp et al ., 2006: 176 ; Galinskaya & Shatalkin, 2015: 583 ; Lonsdale & Marshall, 2016: 19 . Diagnosis. Frons ( Figs 40–42 ) with two velvety black anterior patches. Mesonotum ( Fig. 43 ) with irregularly 6 rows of presutural acrostichal setulae in mid-longitudinal stripe. Wing ( Fig. 44 ) with dark brown transverse stripe extending from C to CuA 1 along dm-cu; three clear and strongly iridescent spots arranged in a straight line; CuA 1 with brown elongate oval spot extending into cell dm and not reaching dm-cu. Fore basitarsomere ( Fig. 45 ) white or whitish-yellow with base dark brown. Abdominal tergite 1 and anterior margin of tergite 2 yellowish orange, tergite 3 dark brown, tergite 4 with orange lateral margin ( Figs 46–48 ). Material examined . CHINA : 3³ 2♀ , Yunnan , Dehong , Ruili ( N24.111210° , E97.986650° ), 13 May. 2018 , leg. B. Zhang ( CAU ) . Distribution . CHINA ( Yunnan ) [ new record ], INDIA , LAOS , THAILAND , VIETNAM . Remarks. The Chinese specimens from our study differ from the redescriptions of Lonsdale & Marshall (2016) as follows: male abdominal tergite 4 laterally with large orange regions, tergite 6 and terminalia light yellow ( Figs 46, 47 ). Female abdominal tergite 6 dark brown ( Figs 39 , 48 ).