Search Results for the EPA National Library Catalog

Items Found: 3
Showing: Items 1 - 3
Your Search: (SUBJECT=Mayflies North America)

Select Item Title Year Published
Biosystematic revision of the genus Stenonema (Ephemeroptera: Heptageniidae) / 1979
The biology of mayflies; with a systematic account of North American species, 1972
The mayflies of North and Central America / 1976

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