Key to the genera of Derelomini found on inflorescences of Afrotropical Arecaceae

1. Eyes convex, the external margin exceeding the contour of head in dorsal view. On inflorescences of Arecaceae and various Dicotyledonous plants .................................... Derelomus Schoenherr, 1825

– Eyes flat, following contour of head. On inflorescences of Elaeis guineensis Jacq. ........................ 2

2. Body integument (head, prothorax and elytra) entirely dark brown ............. Prosoestus Faust, 1899

– Body integument at least partly yellow ................................................... Elaeidobius Kuschel, 1952