Search Results       Your search for [subject]Hydropsychidae -- Larvae returned 1 record.           A systematic study of the Nearctic larvae of the Hydropsyche morosa group (Trichoptera:Hydropsychidae) _ Hydropsyche morosa group. by Schefter, Patricia W., 1940-; Toronto: Royal Ontario Museum, 1986. Subject: Hydropsychidae -- Larvae.          Add to Book Cart Relevance: 23.12%