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Mayfly Family Isonychiidae (Slate Drakes)

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» Family Isonychiidae (Slate Drakes)
Genus in IsonychiidaeNumber of SpecimensNumber of Pictures
IsonychiaSlate Drakes00
Common Name
MatchCommon Name
***Slate Drakes


Pictures Below ↓

This is page 3 of specimens of Isonychiidae. Visit the main Isonychiidae page for:

  • The behavior and habitat of Isonychiidae.

Pictures of 20 Mayfly Specimens in the Family Isonychiidae:

Specimen Page:123
Isonychia bicolor (Mahogany Dun) Mayfly NymphIsonychia bicolor (Mahogany Dun) Mayfly Nymph View 2 Pictures
Collected February 10, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Isonychia bicolor (Mahogany Dun) Mayfly NymphFemale Isonychia bicolor (Mahogany Dun) Mayfly Nymph View 2 Pictures
Collected August 24, 2004 from the Beaverkill River in New York
Added to Troutnut.com by Troutnut on January 25, 2006
Isonychia bicolor (Mahogany Dun) Mayfly NymphIsonychia bicolor (Mahogany Dun) Mayfly Nymph View 2 Pictures
Collected January 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Isonychia bicolor (Mahogany Dun) Mayfly NymphIsonychia bicolor (Mahogany Dun) Mayfly Nymph View 3 Pictures
Collected April 1, 2007 from Mystery Creek #62 in New York
Added to Troutnut.com by Troutnut on April 3, 2007
Female Isonychia bicolor (Mahogany Dun) Mayfly DunFemale Isonychia bicolor (Mahogany Dun) Mayfly Dun View 6 PicturesThis is a naturally crippled female Isonychia bicolor dun. One of her main wings came out as a deformed, crumpled yellow object. I found her flopped over on her side struggling on the surface of a small stream.
Collected August 22, 2006 from the West Branch of Owego Creek in New York
Added to Troutnut.com by Troutnut on August 23, 2006
Isonychia bicolor (Mahogany Dun) Mayfly NymphIsonychia bicolor (Mahogany Dun) Mayfly Nymph View 3 Pictures
Collected May 18, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Isonychia bicolor (Mahogany Dun) Mayfly DunFemale Isonychia bicolor (Mahogany Dun) Mayfly Dun View 3 Pictures
Collected September 2, 2004 from the Beaverkill River in New York
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:123
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