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Flatheaded Mayflies (Heptageniidae)
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Epeorus
Photo#218706
Copyright © 2008
James Bailey
Giant Mayfly (Subimago) -
Epeorus
Edmonton, Alberta, Canada
June 11, 2008
Im guessing Hexatoma?
Contributed by
James Bailey
on 27 August, 2008 - 1:15pm
Last updated 19 March, 2015 - 12:42pm
Not a giant...
but a medium-size male subimago (dun) of the family Heptageniidae, probably in the genus
Epeorus
.
…
Lloyd Gonzales
, 27 August, 2008 - 11:58pm
Thanks
But the biggest mayfly I've personally seen!
…
James Bailey
, 28 August, 2008 - 9:53am