Afroxanthandrus, Kassebeer, 2000, Kassebeer, 2000

Midgley, John M., Goergen, Georg & Jordaens, Kurt, 2024, A revision of the Afrotropical hover fly genus Afroxanthandrus Kassebeer, 2000 (Diptera, Syrphidae), with the description of two new species and one new synonymy - Corrigendum, European Journal of Taxonomy 968, pp. 295-296 : 295-296

Key to species

1. Tergite 4 entirely dark. Yellow fascia on tergite 2 with curved or triangular posterior border (Figs 14, 16–17) ............................................................................................................................................... 2

– Tergite 4 with broad yellow fascia. Yellow fascia on tergite 2 with straight posterior border (Figs 13, 15) ..................................................................................................................................................... 3

2. Tergite 3 with broad fascia, about ¾ of the length of the tergite (Figs 14, 16); scutal pile short, half as long or less as length of scape (Figs 8, 10); male genitalia: surstyli short, about 2.5 times as long as wide (Figs 20–21) .............................................................................. A. congensis (Curran, 1938)

– Tergite 3 with narrow fascia, about ⅓ of the length of the tergite (Fig. 17); scutal pile long, as long as or slightly longer than length of scape (Fig. 11) (male unknown) ................................................. ............................................................................................................. A. longipilus Kassebeer, 2000

3. Tergite 4 with broad fascia, similar in shape to fasciae on tergites 2 and 3 (Fig. 13); male genitalia: surstyli short, about twice as long as wide (Figs 18–19) ............................ A. comorosensis sp. nov.

– Tergite 4 with narrow fascia, clearly narrower than fasciae on tergites 2 and 3 (Fig. 15); male genitalia: surstyli long, about eight times as long as wide (Figs 22–23) ......... A. conopeum sp. nov.