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Freshwater Invertebrate Underwater Pictures, Page 6



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These are probably 3rd instar larvae of Dicosmoecus gilvipes. The 4th instar larvae will be the round case made of sand grains. In this picture: Caddisfly Species Dicosmoecus gilvipes (October Caddis). From the Touchet River in Washington.
These are probably 3rd instar larvae of Dicosmoecus gilvipes. The 4th instar larvae will be the round case made of sand grains.

In this picture: Caddisfly Species Dicosmoecus gilvipes (October Caddis).
StateWashington
LocationTouchet River
Date TakenJun 23, 2011
Date AddedJun 27, 2011
AuthorBnewell
Camerau770SW,S770SW
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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
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In this picture: Animal Class Gastropoda (Snails). From the Namekagon River in Wisconsin.


In this picture: Animal Class Gastropoda (Snails).
StateWisconsin
LocationNamekagon River
Date TakenApr 23, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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In this picture: Mayfly Family Baetidae (Blue-Winged Olives). From Spring Creek in Wisconsin.


In this picture: Mayfly Family Baetidae (Blue-Winged Olives).
StateWisconsin
LocationSpring Creek
Date TakenJun 22, 2006
Date AddedJul 1, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
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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 Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies). From the Bois Brule River in Wisconsin.


In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies).
StateWisconsin
LocationBois Brule River
Date TakenApr 13, 2004
Date AddedJan 25, 2006
AuthorTroutnut
CameraOlympus C740UZ
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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
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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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These big bucket-like nets on the weeds are home to Hydropsychid caddisflies, as I verified by actually taking one apart to look at its inhabitant. In this picture: Caddisfly Family Hydropsychidae. From Mystery Creek # 42 in Pennsylvania.
These big bucket-like nets on the weeds are home to Hydropsychid caddisflies, as I verified by actually taking one apart to look at its inhabitant.

In this picture: Caddisfly Family Hydropsychidae.
StatePennsylvania
Date TakenMay 28, 2007
Date AddedJun 6, 2007
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:1...567...14
Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeEphemerella subvariaHeptageniidaeEphemerellaIsonychiaHydropsychidae
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 LarvaNeophylax Caddisfly AdultPteronarcys biloba Stonefly NymphHydropsyche aenigma Caddisfly Adult
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Dalton Highway (Haul Road) Corridor Map