M. Archangelsky, DESCRIPTION OF THE IMMATURE STAGES OF 3 NEARCTIC SPECIES OF THE GENUSBEROSUS LEACH (COLEOPTERA, HYDROPHILIDAE), Internationale Revue der gesamten Hydrobiologie, 79(3), 1994, pp. 357-372
Egg cases, larvae, and pupae of Berosus corrini Wooldridge 1964, Beros
us hoplites Sharp 1887, and Berosus pugnax LeConte 1863, are described
and illustrated with line drawings. Bionomic and behavioral observati
ons of larvae and adults are included. Keys to different instars of B.
hoplites and B. pugnax larvae are provided.