a

b

c

1A

Propodeum with a shallow, longitudinal median sulcus; mesonotum with a weak median sulcus (fig. a). Eyes not surrounded by an orbital carina (fig. b). Fore wing with two cubital cells, second cell much longer than first cell (fig. c) ...............................  Megalyra

One introduced species in South Africa: Megalyra fasciipennis  

a

b

c

d

1B

Mesonotum with a longitudinal median sulcus (fig. a). Eyes surrounded by an orbital carina (fig. b). Fore wing with one (fig. c) or two cubital cells, if two then second cell no longer than first cell (fig. d) ............................................................................................................................................. 2

a

2A

Fore wing with one cubital cell; 1st and 2nd cross veins absent; radial vein reduced, radial cell open; recurrent vein present (fig. a) ...................................................................................................  Megalyridia

Monotypical genus: the only species Megalyridia capensis is restricted to Eastern, Northern & Western Cape Provinces (South Africa)

a

2B

Fore wing with two cubital cells and one closed radial cell; recurrent vein absent (fig. a) .....  Dinapsis

Seven species: one from South Africa, one from Central African Republic and five from Madagascar. Key to species