Chromatopterum (Diptera, Chloropidae), a newly recorded genus from China, and description of two new species Author Liu, Xiaoyan Author Nartshuk, Emilia P. Author Yang, Ding text Zootaxa 2017 4306 2 279 286 journal article 32389 10.11646/zootaxa.4306.2.8 9e229a2d-818f-4b6f-875c-73da87bf1648 1175-5326 843824 E97943AC-C8FB-4419-907B-576E04AACF4C Key to world species of genus Chromatopterum Becker (modified from Deeming 1981 ) 1. Wing hyaline with a fuscous costal band ending in an apical spot ( Figs 1, 2 , 10, 11 )................................. 2 - Wing fuscous with small hyaline areas towards its base........................................................7 2. Scutum black or brown with black stripes.................................................................. 3 - Scutum yellow with black stripes.........................................................................6 3. Scutum entirely black; halter entirely black or only knob of halter ivory white.....................................4 - Scutum brown with black stripes almost indistinct; halter entirely pale yellow......................................5 4. Scutellum entirely black; knob of halter ivory white.—Afrotropical ( Kenya , Ruanda , Zair)..... .. C. delicatum Becker, 1910 - Scutellum black except for dark yellow centrally on disc and apically; halter entirely black.—Afrotropical (Nigeria).................................................................................... C. dimidiatum Deeming, 1981 5. Femora yellow except for middle 1/2 of fore femur brown; apical spot of wing separated by a narrow space from apex of costal band in marginal cell.—Oriental ( China : Hainan , Yunnan )................................. .. C. brevicercum sp. nov. - Femora brown except for distal portions yellow; apical spot of wing separated by a wide space from apex of costal band in marginal cell.—Oriental ( China : Yunnan ).............................................. C. longiclavatum sp. nov. 6. Ocellar triangle yellow except for anterior portion reddish with a black ocellar spot; scutellum entirely yellow.—New Guinea (PNG)......................................................................... C. pubescens Becker, 1911 - Ocellar triangle black except for posterolateral sides narrowly yellow; scutellum blackish brown except for brownish yellow posterodorsally.—Oriental (Borneo Sabah, Java , Krakatau).................. C. nusantarum Kanmiya et Yukawa, 1985 7. Scutellum black.—Afrotropical (Ghana)........................................... C. ghanaensis Deeming, 1981 - Scutellum largely yellow or ivory white....................................................................8 8. Face ivory white; scutellum conical.—Afrotropical (Nigeria)............................ .. C. mirabilis Deeming, 1981 - Face dark; scutellum short and convex on disc...............................................................9 9. Fore coxa bright yellow.—Afrotropical ( Uganda , Cameroun )............................ C. suffusum Sabrosky, 1951 - Fore coxa black.—Afrotropical ( Ivory Coast , Nigeria )................................... C. linguatum Séguy, 1957