Key to the species of Dasypogon from Central Europe

1. Wings smoky black, mystax with black setae (males, Fig. 1A, B, E, F)........................................... 2

- Wings brown, mystax with silver-white setae (females, Fig. 1C, D, G, H)........................................ 3

2. Abdomen without whitish tomentum in the lateral posterior part of tergites 2–5 (Fig. 1B).......... D. diadema (Fabricius)

- Abdomen with whitish tomentum in the lateral posterior part of tergites 1–5 (Fig. 1F).............. D. diabolicus sp. nov.

3. Each acanthophorite composed of a group of five spines, sternites without whitish tomentum, coloration of thoracic and abdominal macrosetae and setae usually predominantly black (Fig. 1C, D)..................... D. diadema (Fabricius)

- Each acanthophorite composed of a group of six spines, sternites 1–4 with whitish tomentum in the lateral posterior part, coloration of thoracic and abdominal macrosetae and setae usually predominantly yellow-brown (Fig. 1G, H).............................................................................................. D. diabolicus sp. nov.