Search Results for the EPA National Library Catalog

Items Found: 7

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Your Search: (SUBJECT=Caddisflies)


Select Item Title Year Published
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) / 1978
A preliminary guide to the identification of larval Hydroptilidae (Insecta : Trichoptera) / 1997
Drift of Benthic Invertebrates in Goldstream Creek, Alaska. 1973
Environmental requirements and pollution tolerance of trichoptera / 1978
Larvae of the North American caddisfly genera (Trichoptera) / 1977
Significance of Selected Physical and Chemical Variables in Benthic Macroinvertebrate Distribution in a Small Subarctic Stream. 1972
The caddis flies, or Trichoptera, of Illinois 1972

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