Big Slate Drakes
This common name refers to only one species.
Mayfly Species Hexagenia atrocaudata
These are sometimes called Big Slate Drakes.
This species is slightly smaller than Hexagenia limbata and it occurs later in the year. It is only mentioned in passing by a few authors, but it can be locally important.
Female Hexagenia atrocaudata (Late Hex) Mayfly Dun
View 14 PicturesI found this lone Hexagenia atrocaudata dun fluttering by herself on the surface of a small, still stretch of river one evening as I paddled home from fishing for smallmouths in the warm August weather.
View 14 PicturesI found this lone Hexagenia atrocaudata dun fluttering by herself on the surface of a small, still stretch of river one evening as I paddled home from fishing for smallmouths in the warm August weather.Region: Upper Midwest
Collected Aug 5, 2005
Added Apr 15, 2006
Male Hexagenia atrocaudata (Late Hex) Mayfly Spinner
View 12 Pictures
View 12 PicturesRegion: Upper Midwest
Collected Jul 24, 2005
Added Apr 15, 2006
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