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Insect Order Plecoptera (Stoneflies)

Pictures Below ↓

This is page 3 of specimens of Plecoptera. Visit the main Plecoptera page for:

  • The behavior and habitat of Plecoptera.
  • 6 underwater pictures of Plecoptera.

Pictures of 118 Stonefly Specimens:

Specimen Page:1234...13
Pteronarcys dorsata (Giant Black Stonefly) Stonefly NymphPteronarcys dorsata (Giant Black Stonefly) Stonefly Nymph View 8 Pictures
Collected February 7, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Sweltsa onkos (Sallfly) Stonefly AdultSweltsa onkos (Sallfly) Stonefly Adult View 8 PicturesI'm just guessing this is Chloroperlidae, since it's little and yellow. If anyone has a less haphazard identification, feel free to post it.
Collected May 15, 2007 from Mystery Creek #62 in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Alloperla (Sallflies) Stonefly AdultAlloperla (Sallflies) Stonefly Adult View 6 PicturesThis specimen was completely green when I collected it from among many others gathered on a midstream rock along with their nymphal shucks (
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Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.) early in the morning. There was also a yellow one with them, which I assumed was a different species. Now that I've seen how this one started changing from green to yellow, I have to wonder if they weren't the same species and the yellow one was just older.
Collected May 29, 2007 from Brodhead Creek in Pennsylvania
Added to Troutnut.com by Troutnut on June 4, 2007
Pteronarcys dorsata (Giant Black Stonefly) Stonefly NymphPteronarcys dorsata (Giant Black Stonefly) Stonefly Nymph View 7 Pictures
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Paragnetina media (Embossed Stonefly) Stonefly LarvaParagnetina media (Embossed Stonefly) Stonefly Larva View 10 Pictures
Collected March 30, 2007 from Fall Creek in New York
Added to Troutnut.com by Troutnut on April 2, 2007
Pteronarcys proteus (Salmonfly) Stonefly NymphPteronarcys proteus (Salmonfly) Stonefly Nymph View 10 Pictures
Collected April 19, 2006 from Mongaup Creek in New York
Added to Troutnut.com by Troutnut on April 21, 2006
Agnetina capitata (Golden Stone) Stonefly AdultAgnetina capitata (Golden Stone) Stonefly Adult View 8 PicturesThis stonefly emerged in my aquarium, and unfortunately I severely damaged its wings just trying to catch it. It's still an interesting specimen, especially since I was able to also photograph the nymphal shuck (
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Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Here's an underwater view of the pupal shucks of several already-emerged Brachycentrus numerosus caddisflies.
Shuck: The shed exoskeleton left over when an insect molts into its next stage or instar. Most often it describes the last nymphal or pupal skin exited during emergence into a winged adult.) it emerged from. I was surprised by just how light it was shortly after emerging. I photographed it a couple days later when it had darkened considerably; it was a pale, almost pastel yellow at first.
Collected May 1, 2007 from Aquarium in New York
Added to Troutnut.com by Troutnut on May 3, 2007
Agnetina capitata (Golden Stone) Stonefly NymphAgnetina capitata (Golden Stone) Stonefly Nymph View 8 Pictures
Collected March 30, 2007 from Fall Creek in New York
Added to Troutnut.com by Troutnut on April 2, 2007
Sweltsa (Sallflies) Stonefly NymphSweltsa (Sallflies) Stonefly Nymph View 6 Pictures
Collected May 13, 2007 from the Delaware River in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Peltoperlidae (Roachflies) Stonefly AdultPeltoperlidae (Roachflies) Stonefly Adult View 5 PicturesThe adult stoneflies of this family look surprisingly normal given the strange shape of the nymphs.
Collected May 28, 2007 from Mystery Creek #42 in Pennsylvania
Added to Troutnut.com by Troutnut on June 4, 2007
Specimen Page:1234...13
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