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Freshwater Invertebrate Underwater Pictures, Page 13



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In this picture: Stonefly Family Taeniopterygidae (Willowflies). From the Namekagon River in Wisconsin.
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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A peculiar mayfly nymph clings to a log.  I'm not sure if it's a Heptageniid clinger or a flat-bodied Ephemerellid crawler, but I don't believe it's a species I've collected yet.  In this picture: Insect Order Ephemeroptera (Mayflies). From Eighteenmile Creek in Wisconsin.
A peculiar mayfly nymph clings to a log. I'm not sure if it's a Heptageniid clinger or a flat-bodied Ephemerellid crawler, but I don't believe it's a species I've collected yet.

In this picture: Insect Order Ephemeroptera (Mayflies).
Date TakenMar 19, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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A small stonefly nymph crawls around some gravel.  In this picture: Insect Order Plecoptera (Stoneflies). From Eighteenmile Creek in Wisconsin.
A small stonefly nymph crawls around some gravel.

In this picture: Insect Order Plecoptera (Stoneflies).
Date TakenMar 19, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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In this picture: Mayfly Family Baetidae (Blue-Winged Olives). From Eighteenmile Creek in Wisconsin.
Date TakenMar 19, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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In this picture: Insect Order Trichoptera (Caddisflies). From the Namekagon River in Wisconsin.
Date TakenMar 20, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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Two Ephemerella mayfly nymphs share a piece of wood with two Taeniopterygidae stonefly nymphs.  In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Stonefly Family Taeniopterygidae (Willowflies). From the Namekagon River in Wisconsin.
Two Ephemerella mayfly nymphs share a piece of wood with two Taeniopterygidae stonefly nymphs.

In this picture: Mayfly Genus Ephemerella (Hendricksons, Sulphurs, PMDs) and Stonefly Family Taeniopterygidae (Willowflies).
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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A water boatman flees the camera.  In this picture: True Bug Family Corixidae (Water Boatmen). From the Namekagon River in Wisconsin.
A water boatman flees the camera.

In this picture: True Bug Family Corixidae (Water Boatmen).
Date TakenMar 24, 2004
Date AddedJan 25, 2006
AuthorTroutnut
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There are a couple Epeorus mayfly nymphs clinging to this rock.  One interesting thing I've noticed is that even though the stream has a lot of clingers, they rarely show up in my photos, and I've started paying more attention to the river bottom while I'm fishing I've noticed that clinger nymphs generally see or feel me coming and scurry to the undersides of their rocks before I can get in picture range. I think I have the same problem with stoneflies.  In this picture: Mayfly Genus Epeorus (Little Maryatts). From the Namekagon River in Wisconsin.
There are a couple Epeorus mayfly nymphs clinging to this rock. One interesting thing I've noticed is that even though the stream has a lot of clingers, they rarely show up in my photos, and I've started paying more attention to the river bottom while I'm fishing I've noticed that clinger nymphs generally see or feel me coming and scurry to the undersides of their rocks before I can get in picture range. I think I have the same problem with stoneflies.

In this picture: Mayfly Genus Epeorus (Little Maryatts).
Date TakenApr 18, 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
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