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Aquatic Beetles (Insecta: Coleoptera) of Northeastern Ohio
By Eric G. Chapman
Ohio Biological Survey, 1999
ISBN: 0867271272
Cite: 488318 with citation markup [cite:488318]
Distributional records for Haliplidae, Dytiscidae, Noteridae, Gyrinidae, Hydrophilidae, Psephenidae, Dryopidae, Elmidae, Ptilodactylidae. Survey area encompassed Lake, Geauga, Ashtabula, Trumbull, Portage, Mahoning, Stark, and Columbiana Counties, mapped as township records.