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Insect Order Plecoptera (Stoneflies)

Pictures Below

This is page 14 of specimens of Plecoptera. Visit the main Plecoptera page for:

  • The behavior and habitat of Plecoptera.
  • 6 underwater pictures of Plecoptera.
  • 1 streamside picture of Plecoptera.

Pictures of 140 Stonefly Specimens:

Specimen Page:1...12131415
Male Doddsia occidentalis (Willowfly) Stonefly AdultMale Doddsia occidentalis (Willowfly) Stonefly Adult View 1 PicturesCollected from N. Touchet River at Touchet Corral.
Collected June 6, 2011 from the Touchet River in Washington
Added to by Bnewell on June 26, 2011
Sweltsa (Sallflies) Stonefly AdultSweltsa (Sallflies) Stonefly Adult View 1 Pictures
Collected June 14, 2005 from the Vermillion River in Montana
Added to by Bnewell on June 27, 2011
Sweltsa borealis (Sallfly) Stonefly AdultSweltsa borealis (Sallfly) Stonefly Adult View 1 Pictures
Collected June 5, 2011 from the Touchet River in Washington
Added to by Bnewell on June 27, 2011
Isoperla quinquepunctata (Little Yellow Stonefly) Little Yellow Stonefly NymphIsoperla quinquepunctata (Little Yellow Stonefly) Stonefly Nymph View 2 PicturesSize - (excluding tails) - 10 mm
Status at time of photo - preserved but no discernible color change as specimen was captured only a few days earlier.
Key characters - unique pattern on dorsal (Dorsal: Top.) head and thorax (Thorax: The thorax is the middle part of an insect's body, in between the abdomen and the head, and to which the legs and wings are attached.); dark medial (Medial: Toward the middle of the body.) terga (Tergum: the dorsal part of an abdominal segment or segments (terga). Also used to describe the entire abdominal dorsum or the thoracic dorsal segments of Odonata.) stripe between two paler stripes

This species is very common in west slope north Sierra watersheds. Richard W. Baumann & Boris C. Kondratieff did a study on the same section and at the same time of year (APRIL 25-29, 2010) where this specimen was taken. No other species of Isoperla were reported from this location and quinquepunctata was very abundant. Their hatches can be very heavy some Springs.

Collected March 21, 2011 from the Lower Yuba River in California
Added to by Entoman on November 1, 2011
Paraperla wilsoni (Sallfly) Stonefly AdultParaperla wilsoni (Sallfly) Stonefly Adult View 1 PicturesThis is another stonefly that lives its nymphal life in the hyporheic zone, flood plain gravels. In this case, the gravels of a small stream, Roy's Creek, that flows into Flathead Lake at the Univ. of Montana Biological Station.
Collected May 9, 2005 from Flathead Lake in Montana
Added to by Bnewell on July 3, 2011
Specimen Page:1...12131415
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