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Accumulates data on the distribution and abundance of dragonflies and damselflies in northern Ohio. Includes program information and survey instructions.
Photographs, checklists, and range maps for dragonflies and damselflies of United States, Canada, and Mexico, with special emphasis on species in Texas and surrounding states.
A volunteer effort to document and catalog the Odonata that occur in the state of Michigan. Includes checklists for Michigan, a key to larvae, and a key to Michigan Sympetrum (meadowhawks), bibliographies, and photographs.