Chromatopterum Becker 1910
Creators: name: Liu, Xiaoyan
name: Nartshuk, Emilia P.
name: Yang, Ding
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chloropidae
Chromatopterum

description: 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
description: Published as part of Liu, Xiaoyan, Nartshuk, Emilia P. & Yang, Ding, 2017, Chromatopterum (Diptera, Chloropidae), a newly recorded genus from China, and description of two new species, pp. 279-286 in Zootaxa 4306 (2) on page 280, DOI: 10.11646/zootaxa.4306.2.8, http://zenodo.org/record/843824