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

Taxonomic Navigation -?-
» 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
MatchCommon Name
****March Browns, Cahills, Quill Gordons


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
Maccaffertium mediopunctatum (Cream Cahill) Mayfly NymphMaccaffertium mediopunctatum (Cream Cahill) Mayfly Nymph View 4 Pictures
Collected June 8, 2005 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on May 26, 2006
Male Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly AdultMale Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Adult View 4 PicturesAdults were collected from the North Fork of the Touchet River at Touchet Corral, 21 Sept. One photo is the swarm of males over the stream about 3 PM, air temp about 66 degree.
Collected September 21, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on September 23, 2011
Female Stenacron interpunctatum (Light Cahill) Mayfly DunFemale Stenacron interpunctatum (Light Cahill) Mayfly Dun View 6 PicturesThis is a fairly small late-season female Stenacron dun.
Collected August 22, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 23, 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
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 Maccaffertium vicarium (March Brown) Mayfly SpinnerFemale Maccaffertium vicarium (March Brown) Mayfly Spinner View 6 Pictures
Collected June 1, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on May 24, 2006
Female Stenacron (Light Cahills) Mayfly SpinnerFemale Stenacron (Light Cahills) Mayfly Spinner View 4 Pictures
Collected July 13, 2005 from the East Branch of the Delaware River in New York
Added to Troutnut.com by Troutnut on April 14, 2006
Female Epeorus albertae (Pink Lady) Mayfly SpinnerFemale Epeorus albertae (Pink Lady) Mayfly Spinner View 4 Pictures
Collected July 11, 2017 from the North Fork Stillaguamish River in Washington
Added to Troutnut.com by Troutnut on July 12, 2017
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
Specimen Page:1...8910...23
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