Dexoris, Waterhouse, 1878

Bocak, Ladislav, 2018, Dexoris ruzzieri sp. nov. (Coleoptera: Lycidae), a new net-winged beetle from Ivory Coast, Zootaxa 4377 (1), pp. 138-142 : 141

Key to Dexoris from continental Western Africa

1. Antennomeres 3–6 dark brown........................................................................... 2

- Antennomeres 3–6 testaceous........................................................................... 3

2. Legs brown, body 12–13 mm long, scutellum only weakly emarginate at apex.... Dexoris grandis Bocak & Bocakova 1988

- Legs testaceous, body 6 mm long, scutellum deeply emarginate at apex........................... D. ruzzieri sp. nov.

3. Elytral tubercles very tiny and dense, pronotum parallel-sided....................... D. majeri Bocak & Bocakova 1988

- Elytral tubercles strong, distance between them larger than their diameter, pronotum never parallel-sided............... 4

4. Body very small, less than 4 mm long, phallus with rotated base................... D. minutus Bocak & Bocakova 1988

- Body medium sized, over 5 mm long, phallus with simple base................................................. 5

5. Average interval between elytral tubercles in median part of elytra 0.16 mm, pronotum semi-circular, anterior angles widely rounded, antennomere 4 about the same length as antennomere 3......................... D. insignis Waterhouse, 1878

- Average interval between elytral tubercles in median part of elytra 0.12 mm, pronotum with acute front angles, antennomere 4 conspicuously shorter than antennomere 3................................... D. tessmanni Bocak & Bocakova 1988