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Mayfly Genus Rhithrogena

Taxonomic Navigation -?-
» Genus Rhithrogena
Species in RhithrogenaNumber of SpecimensNumber of Pictures
Rhithrogena futilisWestern Gordon Quill00
Rhithrogena hageniWestern Black Quill00
Rhithrogena impersonataDark Red Quill319
Rhithrogena jejunaDark Red Quill00
Rhithrogena manifesta00
Rhithrogena morrisoniWestern March Brown25
Rhithrogena robusta25
Rhithrogena undulataSmall Western Red Quill00
Rhithrogena virilis23

14 species aren't included.
Pictures Below ↓

This is page 2 of specimens of Rhithrogena. Visit the main Rhithrogena page for:

  • The behavior and habitat of Rhithrogena.

Pictures of 16 Mayfly Specimens in the Genus Rhithrogena:

Specimen Page:123
Rhithrogena impersonata (Dark Red Quill) Mayfly NymphRhithrogena impersonata (Dark Red Quill) Mayfly Nymph View 5 Pictures
Collected June 5, 2005 from the Long Lake Branch of the White River in Wisconsin
Added to Troutnut.com by Troutnut on May 25, 2006
Rhithrogena robusta Mayfly SpinnerRhithrogena robusta Mayfly Spinner View 2 Pictures
Collected July 15, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on July 15, 2011
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
Female Rhithrogena Mayfly SpinnerFemale Rhithrogena Mayfly Spinner View 1 Pictures
Collected July 9, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on July 10, 2011
Rhithrogena Mayfly NymphRhithrogena Mayfly Nymph View 1 Pictures
Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 2011
Rhithrogena Mayfly NymphRhithrogena Mayfly Nymph View 1 PicturesBased on the lack of coloration and the two bars on the last tergite (
One tergite of this Isonychia bicolor mayfly spinner is highlighted in red.
One tergite of this Isonychia bicolor mayfly spinner is highlighted in red.
Tergite: The top (dorsal) part of a single segment on an insect's abdomen.) this may be Rhithrogena virilis.
Collected May 12, 2005 from Hungry Horse Creek in Montana
Added to Troutnut.com by Bnewell on June 28, 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
Male Rhithrogena morrisoni (Western March Brown) Mayfly AdultMale Rhithrogena morrisoni (Western March Brown) Mayfly Adult View 1 Pictures
Collected May 2, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 27, 2011
Rhithrogena Mayfly NymphRhithrogena Mayfly Nymph View 1 PicturesNote the unusual red coloration of these Rhithrogena nymphs.
Collected July 17, 2008 from Rock Creek in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Rhithrogena virilis Mayfly LarvaRhithrogena virilis Mayfly Larva View 1 PicturesA photo showing the minor details on the nymph of this rarely collected mayfly
Collected November 30, 1999 from the Big Thompson River in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Specimen Page:123
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