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Freshwater Invertebrate Underwater Pictures, Page 8



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Underwater Photo Page:1...789...14
In this picture: Insect Order Trichoptera (Caddisflies). From Hemlock Creek in New York.
Date TakenApr 3, 2007
Date AddedApr 3, 2007
AuthorTroutnut
CameraPENTAX Optio WPi
Several fast-swimming Siphlonurus nymphs blend in very well with the silt in this slow backwater along a trout stream.  In this picture: Mayfly Genus Siphlonurus (Gray Drakes). From the Namekagon River in Wisconsin.
Several fast-swimming Siphlonurus nymphs blend in very well with the silt in this slow backwater along a trout stream.

In this picture: Mayfly Genus Siphlonurus (Gray Drakes).
Date TakenMay 15, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Several well-camouflaged Ephemerella mayfly nymphs cling to this log, and a few cased caddisfly larvae cling to the plant in front of it.  In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies). From the Bois Brule River in Wisconsin.
Several well-camouflaged Ephemerella mayfly nymphs cling to this log, and a few cased caddisfly larvae cling to the plant in front of it.

In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Insect Order Trichoptera (Caddisflies).
Date TakenApr 13, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Several cased caddis larvae cling to the twigs of a fallen tree limb in a clear trout stream's strong current.  In this picture: Insect Order Trichoptera (Caddisflies). From the Bois Brule River in Wisconsin.
Several cased caddis larvae cling to the twigs of a fallen tree limb in a clear trout stream's strong current.

In this picture: Insect Order Trichoptera (Caddisflies).
Date TakenApr 13, 2004
Date AddedJan 25, 2006
AuthorTroutnut
This isn't really an underwater picture, but a picture taken into my aquarium of midge larvae which lived in the silt I used for substrate.  Each larva has a little tower of detritus built up along the bottom, while the bare larva waves around from the top.  In this picture: True Fly Family Chironomidae (Midges). From Mystery Creek # 62 in New York.
This isn't really an underwater picture, but a picture taken into my aquarium of midge larvae which lived in the silt I used for substrate. Each larva has a little tower of detritus (Detritus: Small, loose pieces of decaying organic matter underwater.) built up along the bottom, while the bare larva waves around from the top.

In this picture: True Fly Family Chironomidae (Midges).
Date AddedApr 24, 2007
AuthorTroutnut
In this picture: Insect Order Trichoptera (Caddisflies). From Eighteenmile Creek in Wisconsin.
Date TakenApr 14, 2004
Date AddedJan 25, 2006
AuthorTroutnut
Underwater Photo Page:1...789...14
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