Drapetis Meigen, 1822

Grootaert, Patrick & Shamshev, Igor, 2014, New Tachydromiinae (Diptera: Empidoidea: Hybotidae) from different types of forests along the Congo river (D. R. of the Congo), Belgian Journal of Entomology 18, pp. 1-34 : 1-34

Genus Drapetis Meigen, 1822

REMARKS. Currently, Drapetis includes about 82 species worldwide, with only 11 species known from the Afrotropical Realm and 5 species recorded from D. R. Congo including two new species described below.

Updated key to Afrotropical species of Drapetis

1. Head and thorax reddish­brown ............................................................................ D. inquilina Séguy – Head and thorax black.......................................................................................................................2

2. Vein R 2+3 strongly curved towards wing margin and meeting costa closer to R 1, distance between apices of R 2+3 and R 4+5 at least 1.5 times longer than distance between apices of R 1 and R 2+3 ................ 3

– Vein R2+3 weakly curved towards wing margin, distance between apices of R2+3 and R4+5 nearly as long as distance between apices of R1 and R2+3 ..............................................................................................................................6

3. Legs entirely yellow.......................................................................................................................... 4 – Legs partly brown .............................................................................................................................5

4. Palpus yellow ................................................................................................... D. hiatus Whittington – Palpus brownish .................................................................... D. yaekelaensis Grootaert & Shamshev

[the undescribed Drapetis mentioned in GROOTAERT & SHAMSHEV, 2012 would key here]

5. Legs with hind femur entirely brown ...................................... D. congoensis Grootaert & Shamshev – Legs with hind femur largely yellow, brownish yellow toward apex .............. D. denticulata sp. nov.

6. Antenna entirely brown.....................................................................................................................7 – Antenna with scape and pedicel yellow, postpedicel brown to black ................................................8

7. Halter yellow. Legs almost entirely yellow, only tarsomeres 5 brownish (more distinctly on fore and mid legs).............................................................................................. D. yangambensis sp. nov. – Halter brown. Legs entirely yellow ................................................. D. zamba Grootaert & Shamshev

8. Palpus brown...................................................................................................... D. flavipes Macquart – Palpus yellow ......................................................................................................... D. capensis Smith