Food Habits of Species of Ephemerellidae (Insecta: Ephemeroptera) in Streams of Oregon

Document Type

Article

Journal/Book Title/Conference

American Midland Naturalist

Volume

113

Publication Date

1-1-1985

Keywords

Food habits, Ephemerellidae, Ephemeroptera, streams, Oregon

First Page

343

Last Page

352

Abstract

Data on food habits were obtained for 20 species in the mayfly family Ephemerellidae. Diet of a species often varied with site, habitat and size, but such variation did not completely mask differences among species. Adaptive radiation in diet is relatively great in this family, but species showed no distinct groupings when classified either on a functional basis or by traditional trophic categories

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