Mayfly Species Caudatella hystrix

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)

» Genus Caudatella

» Species hystrix

Pictures Below ↓

This generally unimportant species sometimes produces fishable hatches.

Where & When

Region: West

Time Of Year (?): July and August

Nymph Biology

Current Speed: Fast

Pictures of 2 Mayfly Specimens in the Species Caudatella hystrix:

Caudatella hystrix Mayfly Nymph

View 2 PicturesThis is a widely distributed species in western Montana but never abundant. Note the length of the middle tail, a key to the identification of this genus.

Collected July 5, 2007 from Many streams in Montana
Added to Troutnut.com by Bnewell on June 26, 2011

Male Caudatella hystrix Mayfly Spinner

View 2 Pictures

Collected July 3, 2005 from Revais Creek in Montana
Added to Troutnut.com by Bnewell on June 27, 2011

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