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Animal Phylum Arthropoda (Arthropods)



Pictures Below ↓

This is page 24 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...232425...126
Male Hexagenia limbata (Hex) Mayfly DunMale Hexagenia limbata (Hex) Mayfly Dun View 7 Pictures
Collected June 28, 2005 from the White River in Wisconsin
Added to Troutnut.com by Troutnut on May 26, 2006
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 5 Pictures
Collected March 13, 2005 from Cascadilla Creek in New York
Added to Troutnut.com by Troutnut on April 5, 2006
Hexagenia limbata (Hex) Mayfly NymphHexagenia limbata (Hex) Mayfly Nymph View 4 PicturesThis medium-instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.) nymph is about an inch long.
Collected January 12, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Belostoma flumineum (Electric Light Bug) Giant Water Bug AdultBelostoma flumineum (Electric Light Bug) Giant Water Bug Adult View 4 PicturesI haven't seen the imitation of these things stressed, but in August 2003 on one of my favorite rivers the largest brown trout I kept had stomachs full of these things.
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Neoleptophlebia Mayfly NymphNeoleptophlebia Mayfly Nymph View 6 Pictures
Collected May 6, 2007 from Mongaup Creek in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Female Drunella grandis (Western Green Drake) Mayfly DunFemale Drunella grandis (Western Green Drake) Mayfly Dun View 6 PicturesI collected this specimen while away from all my good photography equipment except the camera and one of my macro lenses, so I made do. The lighting is from lamps in a hotel room, so it was hard to edit for really true colors, but I tried to get as close as possible. The body was 13 mm long, wing 19 mm long.
Collected July 14, 2017 from the American River in Washington
Added to Troutnut.com by Troutnut on July 24, 2017
Female Strophopteryx fasciata (Mottled Willowfly) Stonefly AdultFemale Strophopteryx fasciata (Mottled Willowfly) Stonefly Adult View 4 PicturesSeveral stoneflies of this species were the first adult insects I found in 2004 when I started this site. The hatch was sparse but lasted a good part of the day, and I noted a few good rises despite the early season cold. They ended up struggling on the water's surface fairly often.
Collected March 16, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Ephemera simulans (Brown Drake) Mayfly NymphEphemera simulans (Brown Drake) Mayfly Nymph View 7 Pictures
Collected June 5, 2005 from the Marengo River in Wisconsin
Added to Troutnut.com by Troutnut on May 25, 2006
Acroneuria lycorias (Golden Stone) Stonefly NymphAcroneuria lycorias (Golden Stone) Stonefly Nymph View 4 PicturesThe presence of anal gills, large dark spot in the center of the pale occipital bar point to lycorias.
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Sweltsa (Sallflies) Stonefly NymphSweltsa (Sallflies) Stonefly Nymph View 6 Pictures
Collected May 13, 2007 from the Delaware River in New York
Added to Troutnut.com by Troutnut on May 18, 2007
Specimen Page:1...232425...126
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BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeEphemerella subvariaHeptageniidaeEphemerellaIsonychiaHydropsychidae
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