7; see text Deilelater is a genus of click beetles in the family Elateridae.

Antennae reaching hind angles of prothorax; second and third segments subequal; the two together of the same length as the fourth.

Male genitalia, median lobe abruptly pointed near apex, with small cuticular scales.

Female genitalia: bursa copulatrix spiraled and with long spines; elongate sclerotized plates in the median oviduct.

[1] Vesperelater, another genus of the tribe Pyrophorini occurring in western Mexico and Southwestern United States, is distinguished from Deilelater in male genitalia with lateral lobes with well-developed subapical spines.