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Freshwater Invertebrate Underwater Pictures, Page 3

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Underwater Photo Page:1234...14
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: Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), Mayfly Species Ephemerella invaria (Sulphur Dun), 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: Caddisfly Species Leucotrichia pictipes (Ring Horn Microcaddis), Mayfly Species Ephemerella invaria (Sulphur Dun), and True Fly Family Chironomidae (Midges).
Date TakenMar 24, 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
The mayfly and stonefly nymphs in this picture blend in extremely well.  In this picture: Insect Order Plecoptera (Stoneflies) and Mayfly Species Ephemerella invaria (Sulphur Dun). From the Namekagon River in Wisconsin.
The mayfly and stonefly nymphs in this picture blend in extremely well.

In this picture: Insect Order Plecoptera (Stoneflies) and Mayfly Species Ephemerella invaria (Sulphur Dun).
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
A large school of water boatman swims over a strange purple substance at a crystal clear spring.  In this picture: True Bug Family Corixidae (Water Boatmen). From Mystery Creek # 90 in Wisconsin.
A large school of water boatman swims over a strange purple substance at a crystal clear spring.

In this picture: True Bug Family Corixidae (Water Boatmen).
Date TakenMar 30, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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I'm not quite sure what this is.  It may be an Isonychia nymph hiding under a piece of grass.  In this picture: Arthropod Class Insecta (Insects). From the Namekagon River in Wisconsin.
I'm not quite sure what this is. It may be an Isonychia nymph hiding under a piece of grass.

In this picture: Arthropod Class Insecta (Insects).
Date TakenApr 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
A careful look at this picture reveals at least three water boatmen swimming around.  In this picture: True Bug Family Corixidae (Water Boatmen). From the Namekagon River in Wisconsin.
A careful look at this picture reveals at least three water boatmen swimming around.

In this picture: True Bug Family Corixidae (Water Boatmen).
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
In this picture: Insect Order Trichoptera (Caddisflies). From Eighteenmile Creek in Wisconsin.
Date TakenApr 14, 2004
Date AddedJan 25, 2006
AuthorTroutnut
In this picture: Arthropod Order Decapoda (Crayfish). From the Namekagon River in Wisconsin.
Date TakenJun 14, 2006
Date AddedJun 30, 2006
AuthorTroutnut
CameraPENTAX Optio WPi
Underwater Photo Page:1234...14
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