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Animal Phylum Arthropoda (Arthropods)



Pictures Below ↓

This is page 95 of specimens of Arthropoda. Visit the main Arthropoda page for:

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

Pictures of 1243 Arthropod Specimens:

Specimen Page:1...949596...125
Ephemerella aurivillii Mayfly NymphEphemerella aurivillii Mayfly Nymph View 4 Pictures
Collected July 10, 2011 from Nome Creek in Alaska
Added to Troutnut.com by Troutnut on July 13, 2011
Male Baetisca laurentina (Armored Mayfly) Mayfly DunMale Baetisca laurentina (Armored Mayfly) Mayfly Dun View 5 Pictures
Collected May 22, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 5 Pictures
Collected March 29, 2005 from Salmon Creek in New York
Added to Troutnut.com by Troutnut on April 7, 2006
Cinygmula (Dark Red Quills) Mayfly NymphCinygmula (Dark Red Quills) Mayfly Nymph View 7 PicturesUnfortunately there's no good key to species of Cinygmula nymphs and I didn't find an adult, so this one will have to stay at genus level.
Collected July 6, 2020 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 12, 2020
Male Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly DunMale Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly Dun View 6 Pictures
Collected May 6, 2007 from the Neversink River in New York
Added to Troutnut.com by Troutnut on May 10, 2007
Male Siphlonurus occidentalis (Gray Drake) Mayfly SpinnerMale Siphlonurus occidentalis (Gray Drake) Mayfly Spinner View 6 Pictures
Collected July 31, 2020 from the Henry's Fork of the Snake River in Idaho
Added to Troutnut.com by Troutnut on August 17, 2020
Hydropsychidae Caddisfly LarvaHydropsychidae Caddisfly Larva View 5 PicturesThis is one of the most vividly green Hydropsychidae larvae I've caught.
Collected May 6, 2007 from Mongaup Creek in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Mystacides sepulchralis (Black Dancer) Caddisfly AdultMystacides sepulchralis (Black Dancer) Caddisfly Adult View 4 Pictures
Collected September 5, 2006 from the Neversink River in New York
Added to Troutnut.com by Troutnut on October 3, 2006
Baetis (Blue-Winged Olives) Mayfly NymphBaetis (Blue-Winged Olives) Mayfly Nymph View 4 Pictures
Collected April 14, 2007 from Cayuta Creek in New York
Added to Troutnut.com by Troutnut on April 22, 2007
Male Baetis tricaudatus (Blue-Winged Olive) Mayfly SpinnerMale Baetis tricaudatus (Blue-Winged Olive) Mayfly Spinner View 12 PicturesSome notes from identifying this specimen under the microscope:

1. The hind wing has three longitudinal veins (Longitudinal vein: Longitudinal veins are the major long veins running length-wise through an insect's wing, connecting the base to the outer margin, or the major branches from those veins.), but the third is faint, short (about half the length of the wing), and close to the wing margin.
2. Then antenna is brown fading into white at the tip, and the base is ringed with white.
3. The joints of the tarsal segments on the middle and hind leg have fine black markings.

It was also collected in association with a female spinner.
Collected September 4, 2020 from Silver Creek in Idaho
Added to Troutnut.com by Troutnut on September 18, 2020
Specimen Page:1...949596...125
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