Mayfly Species Rhithrogena robusta

Mayflies

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Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Heptageniidae (March Browns, Cahills, Quill Gordons)

» Genus Rhithrogena

» Species robusta

Pictures Below ↓

Where & When

Region: West

Time Of Year (?): Late May

Fred Arbona calls this species "fairly common throughout the West," but I have found no other information about it.

Pictures of 2 Mayfly Specimens in the Species Rhithrogena robusta:

Rhithrogena 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 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

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Mayfly Species Rhithrogena robusta

Where & When

Pictures of 2 Mayfly Specimens in the Species Rhithrogena robusta:

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