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Ephemeroptera: Heptageniidae of Gunnison County, Colorado

Introduction to Iron
Flat-headed mayflies


Actually no Iron species live in Gunnison County, however some of the Epeorus species we have used to be called Iron this or that, see Epeorus albertae and Epeorus longimanus.


Edmunds,GF; Allen,RK 1964 The Rocky Mountain species of Epeorus (Iron) Eaton (Ephemeroptera: Heptageniidae). Journal of the Kansas Entomological Society 37 4, 275-288.

Brown, Wendy S. 2004 Mayflies (Ephemeroptera) of Gunnison County, Colorado, USA