1997, 207 pages, b/w drawings. Provides a taxonomic and bionomical study of immature stages. Discusses collecting and rearing techniques for beetles from different
habitats, with summary of hydrophiloid biology. Provides generic key to larvae of all known New World hydrophiloids, and diagnostic descriptions for each genus which include egg cases, larvae, and pupae, number of species, distribution, and additional biological characteristics. Detailed illustrations for each genus supplement key and diagnostic
descriptions. Paperback; 8-1/2 x 11".
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