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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 11 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...101112...23
Maccaffertium vicarium (March Brown) Mayfly NymphMaccaffertium vicarium (March Brown) Mayfly Nymph View 2 Pictures
Collected March 1, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Heptagenia solitaria (Ginger Quill) Mayfly SpinnerMale Heptagenia solitaria (Ginger Quill) Mayfly Spinner View 3 Pictures
Collected July 5, 2005 from the Flathead River-Lower in Montana
Added to Troutnut.com by Bnewell on June 27, 2011
Female Stenacron (Light Cahills) Mayfly DunFemale Stenacron (Light Cahills) Mayfly Dun View 3 Pictures
Collected July 31, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly SpinnerMale Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Spinner View 4 PicturesThis one was preserved in ethanol and partially dissected, so it doesn't have its natural wild coloration, and it's missing some appendages. I'm posting it for identification purposes.
Collected September 4, 2015 from Mystery Creek #186 in Alaska
Added to Troutnut.com by Troutnut on October 27, 2015
Rhithrogena virilis Mayfly SpinnerRhithrogena virilis Mayfly Spinner View 2 PicturesBefore I reared this specimen the nymphs were unknown. See Western North American Naturalist for the paper on the description of this species' nymph.
Collected April 4, 2007 from the Big Thompson River in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Maccaffertium vicarium (March Brown) Mayfly NymphMaccaffertium vicarium (March Brown) Mayfly Nymph View 3 Pictures
Collected April 19, 2006 from the Beaverkill River in New York
Added to Troutnut.com by Troutnut on April 21, 2006
Cinygmula subaequalis (Small Gordon Quill) Mayfly NymphCinygmula subaequalis (Small Gordon Quill) Mayfly Nymph View 3 PicturesI had heard reports of a bright red heptageniid nymph before but never seen one until I found this early instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.) specimen in a very high water quality small stream in the Catskills.
Collected April 19, 2006 from Mongaup Creek in New York
Added to Troutnut.com by Troutnut on April 21, 2006
Male Rhithrogena morrisoni (Western March Brown) Mayfly SpinnerMale Rhithrogena morrisoni (Western March Brown) Mayfly Spinner View 2 Pictures
Collected April 20, 2012 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on April 21, 2012
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
Male Rhithrogena Mayfly DunMale Rhithrogena Mayfly Dun View 2 Pictures
Collected May 27, 2005 from the Vermillion River in Montana
Added to Troutnut.com by Bnewell on June 28, 2011
Specimen Page:1...101112...23
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