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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 21 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...20212223
Male Rhithrogena robusta Mayfly SpinnerMale Rhithrogena robusta Mayfly Spinner View 3 PicturesThese specimens were collected from a mating swarm from the east branch of the North Fork of the Touchet River, upstream from the Bluewood Ski Area turn.It was a sunny warm day, mating swarm as 4-8 ft. above this small stream. Four male spinners were collected.Stream photos were taken.
Collected July 15, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on July 15, 2011
Epeorus deceptivus Mayfly NymphEpeorus deceptivus Mayfly Nymph View 4 PicturesIdentification notes from the microscope: Gills on segment 1 extend anteriorly below the body, but not all the way to touching; posterolateral spines minor; femora (
The femur of this Isonychia bicolor mayfly spinner is highlighted in red.
The femur of this Isonychia bicolor mayfly spinner is highlighted in red.
Femur: The main segment of an insect's leg close to the body, in between the tibia and the trochanter.) without fuscous macula.
Collected August 4, 2020 from Green Lake Outlet in Idaho
Added to Troutnut.com by Troutnut on August 20, 2020
Male Epeorus albertae (Pink Lady) Mayfly SpinnerMale Epeorus albertae (Pink Lady) Mayfly Spinner View 2 Pictures
Collected June 29, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 29, 2011
Male Cinygmula par Mayfly SpinnerMale Cinygmula par Mayfly Spinner View 9 PicturesThis specimen was collected from a swarm with 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
Rhithrogena hageni (Western Black Quill) Mayfly NymphRhithrogena hageni (Western Black Quill) Mayfly Nymph View 9 PicturesI'm basing the ID of this near-mature nymph on a male spinner with similar size and markings, collected on the same trip. There isn't a key to reliably identify the nymphs of most Rhithrogena species otherwise.
Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020
Male Epeorus albertae (Pink Lady) Mayfly SpinnerMale Epeorus albertae (Pink Lady) Mayfly Spinner View 8 Pictures
Collected August 1, 2020 from the Henry's Fork of the Snake River in Idaho
Added to Troutnut.com by Troutnut on August 18, 2020
Female Maccaffertium terminatum Mayfly DunFemale Maccaffertium terminatum Mayfly Dun View 2 Pictures
Collected July 9, 2005 from the Flathead River-Lower in Montana
Added to Troutnut.com by Bnewell on June 27, 2011
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 Epeorus albertae (Pink Lady) Mayfly SpinnerFemale Epeorus albertae (Pink Lady) Mayfly Spinner View 1 PicturesIt is hard to see where the name "Pink Lady" comes from.
Collected June 29, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 29, 2011
Female Epeorus longimanus (Slate Brown Dun) Mayfly SpinnerFemale Epeorus longimanus (Slate Brown Dun) Mayfly Spinner View 2 Pictures
Collected July 26, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on July 26, 2011
Specimen Page:1...20212223
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