Trichrysis, Lichtenstein, 1876

Key to Mediterranean species of Trichrysis

1 Discoidal cell on forewing present, distal margin of TIII with a median tooth............................................................ 2

- Discoidal cell on forewing absent, distal margin of TIII rounded ...................................................Chrysidea Bischoff 2 Facial brow ending above middle of compound eye height ............................................................................ T. cyanea

- Facial brow ending at middle of compound eye height ( Fig. 10)................................................................................. 3

3 Space between teeth of T III straight or slightly concave ( Fig. 9) ................................................................... T. lacerta

- Space between teeth of T III straight or convex ( Figs 5, 6).......................................................................................... 4

4 Punctures on tergites strong and of the same size as on notum, space between teeth of T III moderately convex ( Fig. 6), compound eye without a carina all around, black spots on SII very close together, nearly fused and touching ...... ...................................................................................................................................................................... T. scioensis

- Space between teeth of T III strongly convex ( Fig. 5), carina present all around the compound eye ( Fig. 7), the two black spots on TII small, transverse and well separated ......................................................................... T. baratzsensis