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Animal Phylum Arthropoda (Arthropods)



Pictures Below

This is page 124 of specimens of Arthropoda. Visit the main Arthropoda page for:

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

Pictures of 1231 Arthropod Specimens:

Specimen Page:1...121122123124
Female Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly SpinnerFemale Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly Spinner View 0 PicturesFinal identification is pending but this species is near P. memorialis.
Collected June 15, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 26, 2011
Formicidae (Ants) Ant AdultFormicidae (Ants) Insect Adult View 0 PicturesAnts like these very large carpenter ants are a common forest insect and often end up in streams.
Collected June 6, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on June 26, 2011
Male Heptagenia adaequata Mayfly SpinnerMale Heptagenia adaequata  Mayfly Spinner View 0 PicturesCollected near the Columbia River at Pasco, WA.
Collected July 22, 2012 from the Columbia River in Washington
Added to Troutnut.com by Bnewell on July 26, 2012
Male Paraleptophlebia falcula Mayfly SpinnerMale Paraleptophlebia falcula  Mayfly Spinner View 0 PicturesTwo males were collected at 3300' elevation. No photos were taken of this rare species. The adults are quite small and look very similar to P. memorialis but smaller.
Collected July 22, 2012 from the N. Fk. Touchet River in Washington
Added to Troutnut.com by Bnewell on July 27, 2012
Attenella margarita (Little Western Blue-Winged Olive) Mayfly NymphAttenella margarita (Little Western Blue-Winged Olive) Mayfly Nymph View 7 PicturesNotes from the microscope on the ID: Maxillary palp (
The palp on the maxilla of an Ephemerella nymph (detached and photographed under a microscope) is highlighted in red here.
The palp on the maxilla of an Ephemerella nymph (detached and photographed under a microscope) is highlighted in red here.
Palp: A long, thin, often segmented appendage which can protrude from certain insect mouth parts such as the maxillae. Also known as the < />palpus.
)
is present, distinctly 2-segmented, but very small. Gills on segment 4-7. This specimen has some unfortunate damage to the abdomen, but it's the only one I found in my sample.
Collected August 3, 2020 from the East Fork Big Lost River in Idaho
Added to Troutnut.com by Troutnut on August 19, 2020
Specimen Page:1...121122123124
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