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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 Cahills12
CinygmulaDark Red Quills23125
EcdyonurusWestern Ginger Quills11
EpeorusLittle Maryatts47271
Heptagenia930
Ironodes13
Leucrocuta1158
MaccaffertiumMarch Browns and Cahills59270
Nixe113
Rhithrogena25118
Spinadis00
StenacronLight Cahills847
Stenonema16

3 genera aren't included.
Common Name
Pictures Below

This is page 5 of specimens of Heptageniidae. Visit the main Heptageniidae page for:

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

Pictures of 195 Mayfly Specimens in the Family Heptageniidae:

Specimen Page:1...456...21
Female Maccaffertium vicarium (March Brown) Mayfly DunFemale Maccaffertium vicarium (March Brown) Mayfly Dun View 6 PicturesHere's a classic March Brown dun from the Catskills.
Collected May 20, 2007 from the Neversink River in New York
Added to Troutnut.com by Troutnut on May 21, 2007
Female Maccaffertium pudicum Mayfly SpinnerFemale Maccaffertium pudicum  Mayfly Spinner View 6 PicturesThis one may look a bit strange, because one of her main wings came off in my container.
Collected May 28, 2007 from Mystery Creek #42 in Pennsylvania
Added to Troutnut.com by Troutnut on June 4, 2007
Female Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly DunFemale Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Dun View 7 PicturesThis dun is almost certainly of the same species as this nymph, as it hatched in my cooler from a nearly identical nymph.
Collected July 10, 2011 from Nome Creek in Alaska
Added to Troutnut.com by Troutnut on July 13, 2011
Cinygmula (Dark Red Quills) Mayfly NymphCinygmula (Dark Red Quills) Mayfly Nymph View 7 PicturesThis very strange nymph appears to be undoubtedly Cinygmula, yet it lacks the telltale protruding mouthparts that usually make that genus so easy to identify.
Collected July 17, 2011 from the Gulkana River in Alaska
Added to Troutnut.com by Troutnut on July 20, 2011
Specimen Page:1...456...21
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