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Insect Order Ephemeroptera (Mayflies)

Pictures Below

This is page 4 of underwater photos of Ephemeroptera. Visit the main Ephemeroptera page for:

  • The behavior and habitat of Ephemeroptera.
  • Studio pictures of 699 Ephemeroptera specimens.
  • 2 streamside pictures of Ephemeroptera.

67 Underwater Pictures of Mayflies:

Underwater Photo Page:1...345...8
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
In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
This log houses several Ephemerella mayfly nymphs and, on the top right, an Epeorus mayfly nymph.  In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun) and Mayfly Genus Epeorus (Little Maryatts). From the Namekagon River in Wisconsin.
This log houses several Ephemerella mayfly nymphs and, on the top right, an Epeorus mayfly nymph.

In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun) and Mayfly Genus Epeorus (Little Maryatts).
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
There's a very well-camouflaged Baetisca laurentina mayfly nymph resting on the twig in the bottom left corner of this picture. Can you spot him?  In this picture: Mayfly Species Baetisca laurentina (Armored Mayfly). From the Namekagon River in Wisconsin.
There's a very well-camouflaged Baetisca laurentina mayfly nymph resting on the twig in the bottom left corner of this picture. Can you spot him?

In this picture: Mayfly Species Baetisca laurentina (Armored Mayfly).
Date TakenApr 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Underwater Photo Page:1...345...8
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