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Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I.
By William L. Hilsenhoff
The Great Lakes Entomologist, 1995
Cite: 1952818 with citation markup [cite:1952818]
Full title: Aquatic Hydrophilidae and Hydraenidae of Wisconsin (Coleoptera). I. Introduction, Key to Genera of Adults, and Distribution, Habitat, Life Cycle, and Identification of Species of Helophorus Fabricius, Hydrochus Leach, and Berosus Leach (Hydrophilidae), and Hydraenidae

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