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

Taxonomic Navigation -?-
» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)
Genus in EphemerellidaeNumber of SpecimensNumber of Pictures
Attenella00
Caudatella00
Dannella00
DrunellaBlue-Winged Olives00
EphemerellaHendricksons, Sulphurs, PMDs037
EurylophellaChocolate Duns00
Matriella00
Penelomax00
Serratella00
TeloganopsisLittle black Quills00
Timpanoga00

3 genera aren't included.
Common Name
MatchCommon Name
****Hendricksons, Sulphurs, PMDs, BWOs


Pictures Below ↓

This is page 2 of underwater photos of Ephemerellidae. Visit the main Ephemerellidae page for:

  • The behavior and habitat of Ephemerellidae.
  • Studio pictures of 271 Ephemerellidae specimens.

37 Underwater Pictures of Ephemerellidae Mayflies:

Underwater Photo Page:12345
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An Ephemerella subvaria nymph clings to a white rock in the foreground, and there are other nymphs in the background. In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies). From the Namekagon River in Wisconsin.
An Ephemerella subvaria nymph clings to a white rock in the foreground, and there are other nymphs in the background.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Insect Order Trichoptera (Caddisflies).
StateWisconsin
LocationNamekagon River
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
StateWisconsin
LocationNamekagon River
Date TakenApr 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (1.3X larger)
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
StateWisconsin
LocationNamekagon River
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (2.3X larger)
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun).
StateWisconsin
LocationNamekagon River
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (2.3X larger)
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In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun).
StateWisconsin
LocationNamekagon River
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (2.2X larger)
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
StateWisconsin
LocationNamekagon River
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (1.3X larger)
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Mayfly Species Ephemerella invaria (Sulphur Dun).
StateWisconsin
LocationNamekagon River
Date TakenApr 18, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (2X larger)
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In this picture: Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.


In this picture: Mayfly Species Ephemerella subvaria (Hendrickson).
StateWisconsin
LocationNamekagon River
Date TakenApr 18, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (1.7X larger)
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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), True Fly Family Simuliidae (Black Flies), and Mayfly Species Ephemerella invaria (Sulphur Dun). 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), True Fly Family Simuliidae (Black Flies), and Mayfly Species Ephemerella invaria (Sulphur Dun).
StateWisconsin
LocationNamekagon River
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
View Full SizeView Full Size and Comment (1.2X larger)
Add
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).
StateWisconsin
LocationNamekagon River
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
Underwater Photo Page:12345
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