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Mayfly Species Ephemerella subvaria (Hendrickson)

Pictures Below

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

  • The behavior and habitat of Ephemerella subvaria.
  • Studio pictures of 34 Ephemerella subvaria specimens.
  • 4 streamside pictures of Ephemerella subvaria.

24 Underwater Pictures of Ephemerella subvaria Mayflies:

Underwater Photo Page:1234
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
This picture from below shows a stillborn Ephemerella subvaria (Hendrickson) dun drifting on the surface amidst a number of shed pupal skins from Brachycentrus caddisflies which were heavily hatching that day.  In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Caddisfly Species Brachycentrus appalachia (Apple Caddis). From the East Branch of the Delaware River in New York.
This picture from below shows a stillborn (
This stillborn Ephemerella subvaria dun is trapped in its shuck.
This stillborn Ephemerella subvaria dun is trapped in its shuck.
Stillborn: In fly fishing, a stillborn insect is one which got stuck in its nymphal or pupal shuck during emergence and floats helplessly on the surface instead of flying away. It is a specific class of cripple, although it is sometimes used interchangeably with that term.
)
Ephemerella subvaria (Hendrickson) dun drifting on the surface amidst a number of shed pupal skins from Brachycentrus caddisflies which were heavily hatching that day.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Caddisfly Species Brachycentrus appalachia (Apple Caddis).
Date TakenApr 19, 2006
Date AddedApr 22, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
Three big Ephemerella subvaria mayfly nymphs share a rock with some cased caddis larvae.  In this picture: Caddisfly Genus Glossosoma (Little Black Short-Horned Sedges) and Mayfly Species Ephemerella subvaria (Hendrickson). From the Namekagon River in Wisconsin.
Three big Ephemerella subvaria mayfly nymphs share a rock with some cased caddis larvae.

In this picture: Caddisfly Genus Glossosoma (Little Black Short-Horned Sedges) and Mayfly Species Ephemerella subvaria (Hendrickson).
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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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).
Date TakenMar 20, 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
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
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:1234
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