Bacuma

Quicke, Donald L. J., Guy, Travis J., Noort, Simon Van, Broad, Gavin R. & Butcher, Buntika A., 2017, New species of Bacuma Cameron (Hymenoptera: Braconidae: Braconinae) from Kenya and West Darfur with a key to species, Zootaxa 4263 (1), pp. 43-71 : 45-50

Key to Bacuma species

1 Metasomal tergites all black (A); length of 2nd metasomal tergite> 1.25 x posterior width (B).................... bicolor

- Metasomal tergites 1–4 red (a) or ochreous (b), tergites 5 and 6 red or ochreous but black in B. fumipennis ; 2nd metasomal tergite variable...........................................................................................2

2 Mid-basal triangular area of 2nd tergite largely or entirely smooth (A); 2nd metasomal tergite 1.0–1.1 × longer than wide (A); depressed part of frons black, lateral parts orange-red or yellowish-orange (B); metasomal sternites and hypopygium largely piceous; base of hind wing with a large glabrous area (C)..................................................... 3

- Mid-basal triangular area of 2nd tergite entirely striate (a); 2nd metasomal tergite variable (a); lateral parts of frons often largely or entirely black (b); metasomal sternites and hypopygium variable; base of hind wing usually with a narrow glabrous area adjacent to vein cu-a (c).................................................................................5

3 Basal half of fore wing including most of subbasal cell dark brown (A); occiput broadly black (B); hind wing largely dark brown except for small hyaline areas around basal cell and apex of 1-M (A)............................. maculiventris

- Basal half of fore wing including most of subbasal cell hyaline (a); occiput with narrow median black bar (b); hind wing with more extensive pale markings............................................................................4

4 Metasomal tergites ochreous orange-red to red with posteriorly-converging sublateral carinae of 2nd metasomal tergite not conspicuously darker (A); frons orange to cream-colored anterolaterally, with narrow median black line behind stemmaticum head, pronotum and mesopleuron without white colouration (C); mesosternum entirely red; hind leg entirely orange-red (C)...................................................................................... darfurensis sp. nov.

- Metasomal tergites ochreous yellow with posteriorly-converging sublateral carinae of 2nd metasomal tergite dark brown (a); frons whitish anterolaterally; pronotum, anterior of mesopleuron whitish (c); mesosternum and mesopleuron with dark marks (c); hind leg beyond coxa largely black (c).................................................... kayserae sp. nov.

5 Mesosoma and metasomal tergites 5–7 largely black (A), hind femur and tibia, except at their junction, dark brown (A); hind wing largely hyaline with dark brown patches antero-basally and antero-medially (A); sculpture of 2nd metasomal tergite behind triangular area coarse (B); body length 11 mm................................................ fumipennis

- Mesosoma and metasomal tergites 5–7 red (a), hind femur and tibia red (a); hind wing largely dark brown (b); sculpture of 2nd metasomal tergite behind triangular area fine (b); body length> 18 mm..........................................6

6 Body ochreous yellow (A); posterior margin of propodeum (anterior of lunule) crenulate (B); frons gradually impressed behind antennal sockets, the part lateral to the depression with same sculpture as impressed part except immediately behind antennal sockets (C)............................................................................ madiensis sp. nov.

- Body red (a); posterior margin of propodeum (anterior of lunule) smooth (b); frons more abruptly impressed behind antennal sockets and part lateral to depression markedly more coarsely sculptured (c).......................................7

7 Mesonotum entirely red (A, B)............................................................ maculipennis , rufa

- Mesonotum largely piceous (a, b)........................................................... granulatus , whitei