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Insect Order Plecoptera (Stoneflies)

Pictures Below

This is page 4 of specimens of Plecoptera. Visit the main Plecoptera page for:

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

Pictures of 134 Stonefly Specimens:

Specimen Page:1...345...15
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 (
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
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
Female Claassenia sabulosa (Golden Stone) Stonefly AdultFemale Claassenia sabulosa (Golden Stone) Stonefly Adult View 3 PicturesI think this is one of the most poorly understood of the golden stoneflies. It is rare to see any articles about it or fishing the hatch. It emerges late in summer usually on medium to large rivers.The adults are quite secretive but it is something to see the adults run across the water surface. These guys can really run. The males have short wings.The females are up to 1 1/4 inch long rivaling the salmonfly as the largest adult stonefly in the west.The adults are not real golden in color, especially the females which are more of an off yellow to off white abdomen. In handling the adults it is obvious that they shun direct sunlight. I find them by turning over rocks close to the water's edge.
Collected August 3, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on August 3, 2011
Female Sweltsa (Sallflies) Stonefly AdultFemale Sweltsa (Sallflies) Stonefly Adult View 8 PicturesThese stoneflies--abundant during midday--seemed at first to be flying around with plain yellow bodies, but on closer inspection turn out to have striking, fiery red abdomens.

Collected June 30, 2019 from the Madison River in Montana
Added to Troutnut.com by Troutnut on July 17, 2019
Specimen Page:1...345...15
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