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Arthropod Class Insecta (Insects)



Pictures Below ↓

This is page 122 of specimens of Insecta. Visit the main Insecta page for:

  • The behavior and habitat of Insecta.
  • 114 underwater pictures of Insecta.

Pictures of 1229 Insect Specimens:

Specimen Page:1...121122123124
Female Cinygmula par Mayfly SpinnerFemale Cinygmula par Mayfly Spinner View 3 PicturesThis female spinner was captured in a swarm with this male and this other male, allowing for identification.
Collected July 4, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020
Male Ameletus vernalis (Brown Dun) Mayfly DunMale Ameletus vernalis (Brown Dun) Mayfly Dun View 1 Pictures
Collected May 15, 2012 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on May 25, 2012
Chloroperlidae (Sallflies) Stonefly AdultChloroperlidae (Sallflies) Stonefly Adult View 4 Pictures
Collected August 22, 2018 from Mystery Creek #227 in Montana
Added to Troutnut.com by Troutnut on June 13, 2019
Trichoptera (Caddisflies) Caddisfly PupaTrichoptera (Caddisflies) Insect Pupa View 2 PicturesThis small caddis pupa is dead in the picture.
Collected May 18, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Neoleptophlebia heteronea (Blue Quill) Mayfly SpinnerMale Neoleptophlebia heteronea (Blue Quill) Mayfly Spinner View 1 Pictures
Collected June 15, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 24, 2011
Drunella coloradensis (Small Western Green Drake) Mayfly NymphDrunella coloradensis (Small Western Green Drake) Mayfly Nymph View 1 Pictures
Collected August 9, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on August 9, 2011
Male Tricorythodes (Tricos) Mayfly SpinnerMale Tricorythodes (Tricos) Mayfly Spinner View 3 Pictures
Collected August 11, 2018 from the Big Hole River in Montana
Added to Troutnut.com by Troutnut on June 11, 2019
Ameletus (Brown Duns) Mayfly NymphAmeletus (Brown Duns) Mayfly Nymph View 2 PicturesThese two exuviae are my sad little consolation prize after collecting a couple of really cool, large, mature mayfly nymphs I didn't recognize from a tiny, probably fishless, spring-fed tributary of a slightly less tiny trout stream. I saw the nymphs in the kicknet samples and carefully transferred each one to my holding cooler before going to collect more samples. When I got home, I carefully went through the whole sample and couldn't find either one of them. Getting worried, I did it again and even more carefully. This time, I found both exuviae. By process of elimination, pretty much the only possibility is that both of them hatched out of my cooler and flew away during the 10 minutes or so that I had the lid off to collect more samples.

I was really excited about them for the whole three-hour drive home and seriously bummed that they disappeared. In the field I thought they might be one of the families of swimmer nymphs I don't have yet, like Ametropodidae, but keying the exuviae takes me to Ameletus, so at least I didn't miss some great rarity. Still, they were much larger and darker than any other Ameletus I've collected and probably a species I don't have yet.
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Female Callibaetis (Speckled Spinners) Mayfly DunFemale Callibaetis (Speckled Spinners) Mayfly Dun View 1 Pictures
Collected May 25, 2005 from Flathead Lake in Montana
Added to Troutnut.com by Bnewell on July 14, 2011
Female Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly SpinnerFemale Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly Spinner View 1 PicturesThis female is probably P. heteronea or P. memorialis since these are the two species collected during the last two weeks. It is interesting that the females are this very dark brown color while the males are lighter in color.
Collected June 29, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 29, 2011
Specimen Page:1...121122123124
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