A manual for the identification of the larvae of the caddisfly genera Hydropsyche pictet and Symphitopsyche ulmer in eastern and central North America (Trichoptera: hydropsychidae)
By: by Guenter A. Schuster, State Biological Survey of Kansas, and David A. Etnier, Dept. of Zoology, University of Tennessee
Contributors: Etnier, David A., joint author; Environmental Monitoring and Support Laboratory (Cincinnati, Ohio); University of Tennessee, Knoxville. Department of Zoology; State Biological Survey of Kansas
Series: Environmental monitoring series -- EPA-600/4-78-060
Publisher: Environmental Protection Agency, Office of Research and Development, Environmental Monitoring and Support Laboratory; For sale by the National Technical Information Service
Published: 1978
Place of publication: Cincinnati, Ohio; Springfield, Va
Language: eng
Number of pages: 129
Subjects: Caddisflies; Handbooks, manuals; Insects; Larvae; Insectes; Larves; Phryganes; Guides, manuels
Notes: Issued Oct. 1978.

Includes bibliographical references (p. 107-115).