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Animal Phylum Arthropoda (Arthropods)



Pictures Below

This is page 48 of specimens of Arthropoda. Visit the main Arthropoda page for:

  • The behavior and habitat of Arthropoda.
  • 122 underwater pictures of Arthropoda.

Pictures of 1244 Arthropod Specimens:

Specimen Page:1...474849...126
Female Calineuria californica (Golden Stone) Stonefly AdultFemale Calineuria californica (Golden Stone) Stonefly Adult View 17 PicturesI caught this female in the vegetation on a trail about 50 feet above the stream. The coloration on its head differs from that of a male I collected recently on a nearby river, and from another female I collected on the same river. But it still keys out confidently to Calineuria, and californica is the only species of that genus in the area.
Collected July 25, 2019 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 26, 2019
Isoperla quinquepunctata (Little Yellow Stonefly) Little Yellow Stonefly NymphIsoperla quinquepunctata (Little Yellow Stonefly) Stonefly Nymph View 3 PicturesThe dorsal (Dorsal: Top.) patterning is quite unique.

Entoman
Collected March 15, 2013 from the Yuba River in California
Added to Troutnut.com by Entoman on April 20, 2013
Cambaridae Crayfish JuvenileCambaridae  Crayfish Juvenile View 2 Pictures
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Cicadidae (Cicadas) Cicada AdultCicadidae (Cicadas) True Bug Adult View 4 PicturesI found this cicada and several like it in the grass near my car as I put my waders on. Some of them were singing in the trees above the river, too, but I did not see any fall into the water.
Collected July 1, 2005 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on April 22, 2006
Hydrophilidae (Giant Water Scavenger Beetles) Beetle AdultHydrophilidae (Giant Water Scavenger Beetles) Beetle Adult View 2 PicturesThis is a water beetle. It is the hardest object in the world to pick up with tweezers. The second hardest is Mount Everest.
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly SpinnerMale Cinygmula ramaleyi (Small Western Gordon Quill) Mayfly Spinner View 4 PicturesThis one was preserved in ethanol and partially dissected, so it doesn't have its natural wild coloration, and it's missing some appendages. I'm posting it for identification purposes.
Collected September 4, 2015 from Mystery Creek #186 in Alaska
Added to Troutnut.com by Troutnut on October 27, 2015
Specimen Page:1...474849...126
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