Description of the Immature Stages of Three Nearctic Species of the Genus Berosus Leach (Coleoptera: Hydrophilidae)

ARCHANGELSKY, M.

Int. Revue ges.Hydrobiol.

Año: 1994 vol. 79 p. 357 - 372

Egg cases, larvae, and pupae of Berosus corrini WOOLDRIDG19E6 4, Berosus hoplites SHARP1 887, and Berosus pugnax LECONT1E8 63, are described and illustrated with line drawings. Bionomic and behavioral observations of larvae and adults are included. Keys to different instars of B. hoplites and B. pugnax larvae are provided.