Drasterius Eschscholtz

Akhter, Muhammad Atique, Drumont, Alain, Rizvi, Syed Anser & Ahmed, Zubair, 2012, Contribution to the knowledge of Agrypninae (Coleoptera: Elateridae) with description of new species and new records from Pakistan, Zootaxa 3223, pp. 40-54 : 47-48

Key to the species of the genus Drasterius Eschscholtz of Pakistan, followed Platia et Gudenzi, 1997

1 Apex of posterior angles of pronotum more sharp and more or less divergent....................................... 2

- Apex of posterior angles of pronotum less sharp, not divergent................................. D. sulcatulus Candèze

2 Apex of posterior angles of pronotum strongly divergent..................................... D. brahminus Candèze

- Apex of posterior angles of pronotum slightly divergent....................................................... 3

3 Antennae extended just base of pronotum, 2nd antennomere smaller than 3rd antennomere...... D. csorbai Platia et Gudenzi

- Antennae exerted before base of pronotum, 2nd antennomere longer and broader than 3rd antennomere.................. 4

4 Hind angles of pronotum rounded without carina, elytra narrower at behind........................ D. collaris Candèze

- Hind angles of pronotum acute with short distinct carina, elytra smoothly rounded at apex.................. Drasterius sp.