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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 20 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...192021...23
Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly DunFemale Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun View 7 Pictures
Collected June 16, 2018 from the South Fork Snoqualmie River in Washington
Added to Troutnut.com by Troutnut on July 3, 2018
Female Leucrocuta hebe (Little Yellow Quill) Mayfly DunFemale Leucrocuta hebe (Little Yellow Quill) Mayfly Dun View 3 Pictures
Collected July 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Maccaffertium modestum (Cream Cahill) Mayfly NymphMaccaffertium modestum (Cream Cahill) Mayfly Nymph View 3 Pictures
Collected March 10, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Female Maccaffertium modestum (Cream Cahill) Mayfly SpinnerFemale Maccaffertium modestum (Cream Cahill) Mayfly Spinner View 3 PicturesThis one was collected in in association with this male. It looks quite different, but that's often the case between spinner genders.
Collected August 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Female Rhithrogena virilis Mayfly DunFemale Rhithrogena virilis Mayfly Dun View 6 PicturesI'm guessing this one is Rhithrogena virilis based on collection of a male spinner of similar size and body configuration during the same trip.
Collected June 16, 2018 from the South Fork Snoqualmie River in Washington
Added to Troutnut.com by Troutnut on June 23, 2018
Male Cinygmula par Mayfly SpinnerMale Cinygmula par Mayfly Spinner View 9 PicturesThis spinner came from one of those huge swarms that make one just stop fishing and admire the spectacle. Not bad for a little-known species.

In the same swarm I collected a female and another male.
Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020
Cinygmula (Dark Red Quills) Mayfly NymphCinygmula (Dark Red Quills) Mayfly Nymph View 3 Pictures
Collected May 10, 2008 from the Chena River in Alaska
Added to Troutnut.com by Troutnut on April 20, 2011
Female Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly SpinnerFemale Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Spinner View 3 Pictures
Collected August 4, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Male Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly DunMale Heptageniidae (March Browns, Cahills, Quill Gordons) Mayfly Dun View 3 Pictures
Collected August 15, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Cinygmula mimus Mayfly SpinnerMale Cinygmula mimus Mayfly Spinner View 2 PicturesMale Cinygmula mimus spinner trapped in its subimago (Subimago: Mayfly nymphs emerge from the water into subimagoes, better known to anglers as "duns." They are a sexually immature, winged, recognizably adult stage and they must molt one more time into imagoes or "spinners" before they can mate.) skin, a cripple (Cripple: In fly fishing, a cripple is any insect which has been injured or deformed so that it cannot escape the water. This may include stillborn emergers or fully emerged adults which have been damaged, often by wind or waves, so that they can no longer fly. Trout often favor eating crippled insects.)??
Collected June 3, 2012 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 5, 2012
Specimen Page:1...192021...23
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