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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 4 of underwater photos of Ephemerella. Visit the main Ephemerella page for:

  • The behavior and habitat of Ephemerella.
  • Studio pictures of 137 Ephemerella specimens.

37 Underwater Pictures of Ephemerella Mayflies:

Underwater Photo Page:12345
In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
There are several species of caddisfly larvae and Ephemerella nymphs on this rock.  In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies). From the Namekagon River in Wisconsin.
There are several species of caddisfly larvae and Ephemerella nymphs on this rock.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
A couple Sulphur (Ephemerella invaria) nymphs cling to a log.  In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.
A couple Sulphur (Ephemerella invaria) nymphs cling to a log.

In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun).
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
A large Ephemerella subvaria nymphs clings to a log along with a couple smaller mayfly nymphs.  In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.
A large Ephemerella subvaria nymphs clings to a log along with a couple smaller mayfly nymphs.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Underwater Photo Page:12345
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