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Mayfly Family Heptageniidae (March Browns, Cahills, Quill Gordons)

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» Family Heptageniidae (March Browns, Cahills, Quill Gordons)
Genus in HeptageniidaeNumber of SpecimensNumber of Pictures
CinygmaWestern Light Cahills00
CinygmulaDark Red Quills00
EcdyonurusWestern Ginger Quills00
EpeorusLittle Maryatts09
Heptagenia00
Ironodes00
Leucrocuta00
MaccaffertiumMarch Browns and Cahills01
Nixe00
Rhithrogena00
StenacronLight Cahills00
Stenonema00

4 genera aren't included.
Common Name


Pictures Below

This is page 9 of specimens of Heptageniidae. Visit the main Heptageniidae page for:

  • The behavior and habitat of Heptageniidae.
  • 11 underwater pictures of Heptageniidae.

Pictures of 215 Mayfly Specimens in the Family Heptageniidae:

Specimen Page:1...8910...23
Female Leucrocuta hebe (Little Yellow Quill) Mayfly SpinnerFemale Leucrocuta hebe (Little Yellow Quill) Mayfly Spinner View 6 PicturesI found this spinner on the same piece of stream as a similar dun, probably of the same species.
Collected September 19, 2006 from Mystery Creek #43 in New York
Added to Troutnut.com by Troutnut on October 4, 2006
Epeorus grandis Mayfly NymphEpeorus grandis  Mayfly Nymph View 3 Pictures
Collected April 8, 2005 from Yellow Bay Creek in Montana
Added to Troutnut.com by Bnewell on June 27, 2011
Heptagenia solitaria (Ginger Quill) Mayfly AdultHeptagenia solitaria (Ginger Quill) Mayfly Adult View 4 PicturesThis species is common in the Flathead River below Kerr Day. The river here is fairly warm with a cobble and boulder bottom with heavy periphyton at times. This species is not common elsewhere in western Montana.
Collected July 4, 2005 from the Flathead River-lower in Montana
Added to Troutnut.com by Bnewell on June 28, 2011
Female Stenacron (Light Cahills) Mayfly DunFemale Stenacron (Light Cahills) Mayfly Dun View 4 Pictures
Collected July 14, 2004 from the Couderay River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Epeorus vitreus (Sulphur) Mayfly DunMale Epeorus vitreus (Sulphur) Mayfly Dun View 4 PicturesThis is my favorite mayfly from 2004, and it appears on my popular Be the Trout: Eat Mayflies products. Check them out!

Its identification is really up in the air. It might be a late-season vitreus dun but it may very well be one of the more obscure species in that genus.
Collected September 2, 2004 from the Beaverkill River in New York
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:1...8910...23
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