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Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs)

Taxonomic Navigation -?-
Species in EphemerellaNumber of SpecimensNumber of Pictures
Ephemerella aurivillii18109
Ephemerella dorothea dorotheaPale Evening Dun211
Ephemerella dorothea infrequensPale Morning Dun23
Ephemerella excruciansPale Morning Dun524
Ephemerella invariaSulphur Dun45185
Ephemerella needhamiLittle Dark Hendrickson941
Ephemerella subvariaHendrickson34158
Ephemerella tibialisLittle Western Dark Hendrickson11

11 species aren't included.
Common Name
Pictures Below

This is page 3 of underwater photos of Ephemerella. Visit the main Ephemerella page for:

  • The behavior and habitat of Ephemerella.
  • Studio pictures of 129 Ephemerella specimens.

37 Underwater Pictures of Ephemerella Mayflies:

Underwater Photo Page:12345
This Ephemerella subvaria (Hendrickson) nymph picture is one of my favorites.  In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.
This Ephemerella subvaria (Hendrickson) nymph picture is one of my favorites.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Several well-camouflaged Ephemerella mayfly nymphs cling to this log, and a few cased caddisfly larvae cling to the plant in front of it.  In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies). From the Bois Brule River in Wisconsin.
Several well-camouflaged Ephemerella mayfly nymphs cling to this log, and a few cased caddisfly larvae cling to the plant in front of it.

In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies).
Date TakenApr 13, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Some large Ephemerella mayfly nymphs cling to a log.  In the background, hundreds of Simuliidae black fly larvae swing in large clusters in the current.  In this picture: Mayfly Species Ephemerella subvaria (Hendrickson), Mayfly Species Ephemerella invaria (Sulphur Dun), and True Fly Family Simuliidae (Black Flies). From the Namekagon River in Wisconsin.
Some large Ephemerella mayfly nymphs cling to a log. In the background, hundreds of Simuliidae black fly larvae swing in large clusters in the current.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson), Mayfly Species Ephemerella invaria (Sulphur Dun), and True Fly Family Simuliidae (Black Flies).
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Three big Ephemerella subvaria mayfly nymphs share a rock with some cased caddis larvae.  In this picture: Saddle-case Maker Genus Glossosoma (Little Brown Short-horned Sedges) and Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Underwater Photo Page:12345
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