Northern Prairie Wildlife Research Center


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Mayflies of the United States

Mayflies of Washington County, Illinois

Species denoted with an asterisk (*) are unconfirmed or dubious records.

Ephemeridae

No Common Name -- (Hexagenia bilineata)

Heptageniidae

No Common Name -- (Stenonema femoratum)

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/distr/insects/mfly/chklist/states/counties/il_189.htm
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Page Last Modified: Wednesday, 16-Aug-2006 18:57:36 EDT
Menlo Park, CA [caww55]