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  1. A systematic study of the nearctic larvae of the Hydropsyche morosa group (Trichoptera : Hydropsychidae) /
    By: Schefter, Patricia W., - Wiggins, Glenn B. - Royal Ontario Museum.
    Publication info: Toronto :Royal Ontario Museum,1986.
    Contributed by: Royal Ontario Museum (archive.org)
    Subjects: Caddisflies  Hydropsychidae  Identification  
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