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Freshwater Invertebrate Underwater Pictures, Page 2



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Underwater Photo Page:1234...14
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There's a large Ephemerella subvaria nymph in the top left. In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun), Mayfly Species Ephemerella subvaria (Hendrickson), and Insect Order Trichoptera (Caddisflies). From the Namekagon River in Wisconsin.
There's a large Ephemerella subvaria nymph in the top left.

In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun), 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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Cased caddis larvae blanket this section of stream bottom. In this picture: Insect Order Trichoptera (Caddisflies). From Eighteenmile Creek in Wisconsin.
Cased caddis larvae blanket this section of stream bottom.

In this picture: Insect Order Trichoptera (Caddisflies).
StateWisconsin
LocationEighteenmile Creek
Date TakenApr 14, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: True Bug Family Corixidae (Water Boatmen). From the West Branch of the Delaware River in New York.


In this picture: True Bug Family Corixidae (Water Boatmen).
StateNew York
LocationWest Branch of the Delaware River
Date TakenMay 13, 2007
Date AddedJun 5, 2007
AuthorTroutnut
CameraPENTAX Optio WPi
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The white blotches on this rock are Leucotrichia caddisfly cases, and the wispy tubes are cases made by a type of midge. In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun), Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), and True Fly Family Chironomidae (Midges). From the Namekagon River in Wisconsin.
The white blotches on this rock are Leucotrichia caddisfly cases, and the wispy tubes are cases made by a type of midge.

In this picture: Mayfly Species Ephemerella invaria (Sulphur Dun), Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), and True Fly Family Chironomidae (Midges).
StateWisconsin
LocationNamekagon River
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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Hundreds of cased caddis larvae cling to sparse weed growth in the sand under heavy current. In this picture: Insect Order Trichoptera (Caddisflies). From Eighteenmile Creek in Wisconsin.
Hundreds of cased caddis larvae cling to sparse weed growth in the sand under heavy current.

In this picture: Insect Order Trichoptera (Caddisflies).
StateWisconsin
LocationEighteenmile Creek
Date TakenApr 14, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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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
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Three big Ephemerella subvaria mayfly nymphs share a rock with some cased caddis larvae. In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Saddle-case Maker Genus Glossosoma (Little Brown Short-horned Sedges). From the Namekagon River in Wisconsin.
Three big Ephemerella subvaria mayfly nymphs share a rock with some cased caddis larvae.

In this picture: Mayfly Species Ephemerella subvaria (Hendrickson) and Saddle-case Maker Genus Glossosoma (Little Brown Short-horned Sedges).
StateWisconsin
LocationNamekagon River
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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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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A crayfish chews on a Hexagenia limbata nymph shortly after a small Hex emergence. I didn't catch any fish, but playing around with my flashlight and camera in the rocks proved productive. In this picture: Arthropod Order Decapoda (Crayfish) and Mayfly Species Hexagenia limbata (Hex). From the Namekagon River in Wisconsin.
A crayfish chews on a Hexagenia limbata nymph shortly after a small Hex emergence. I didn't catch any fish, but playing around with my flashlight and camera in the rocks proved productive.

In this picture: Arthropod Order Decapoda (Crayfish) and Mayfly Species Hexagenia limbata (Hex).
StateWisconsin
LocationNamekagon River
Date TakenJun 14, 2006
Date AddedJun 30, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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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:1234...14
Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeHeptageniidaeEphemerella subvariaEphemerellaIsonychiaHydropsychidae
Top Gift Shop Designs
I outfish my daddy!Electric blue Hendrickson dun.I love buggers. Big, green, wooly ones.I outfish my husband!Be the trout.
Eat mayflies.
Top Insect Specimens
Baetisca obesa Mayfly NymphCorydalus Hellgrammite LarvaRhyacophila fuscula Caddisfly LarvaPteronarcys biloba Stonefly NymphHydropsyche aenigma Caddisfly Adult
Miscellaneous Sites
Dalton Highway (Haul Road) Corridor Map