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Insect Order Ephemeroptera (Mayflies)



Pictures Below ↓

This is page 53 of specimens of Ephemeroptera. Visit the main Ephemeroptera page for:

  • The behavior and habitat of Ephemeroptera.
  • 67 underwater pictures of Ephemeroptera.

Pictures of 828 Mayfly Specimens:

Specimen Page:1...525354...84
Isonychia bicolor (Mahogany Dun) Mayfly NymphIsonychia bicolor (Mahogany Dun) Mayfly Nymph View 2 Pictures
Collected January 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Ephemerella aurivillii Mayfly DunMale Ephemerella aurivillii Mayfly Dun View 9 PicturesThis dun hatched in my aquarium on July 16th from an easily identified nymph collected on July 10th, and it molted into a spinner after I photographed it. The beautiful spinner form is listed as separate specimen. I forgot to photograph the dun with the ruler, but naturally his size is pretty similar to what it was as a spinner.
Collected July 10, 2011 from Nome Creek in Alaska
Added to Troutnut.com by Troutnut on July 16, 2011
Paraleptophlebia (Blue Quills and Mahogany Duns) Mayfly NymphParaleptophlebia (Blue Quills and Mahogany Duns) Mayfly Nymph View 6 Pictures
Collected March 29, 2005 from Salmon Creek in New York
Added to Troutnut.com by Troutnut on April 7, 2006
Male Ephemerella dorothea infrequens (Pale Morning Dun) Mayfly DunMale Ephemerella dorothea infrequens (Pale Morning Dun) Mayfly Dun View 7 PicturesThis dun was collected in proximity to this spinner.
Collected July 1, 2019 from the Madison River in Montana
Added to Troutnut.com by Troutnut on July 18, 2019
Female Ephemerella aurivillii Mayfly DunFemale Ephemerella aurivillii Mayfly Dun View 6 PicturesThis female was collected in proximity to a male that looks like the same species.
Collected July 1, 2019 from the Madison River in Montana
Added to Troutnut.com by Troutnut on July 18, 2019
Female Maccaffertium terminatum Mayfly SpinnerFemale Maccaffertium terminatum Mayfly Spinner View 5 PicturesI was able to identify this female because I captured her while she was mating with an identifiable male.
Collected June 7, 2007 from the West Branch of the Delaware River in New York
Added to Troutnut.com by Troutnut on June 8, 2007
Baetisca obesa (Armored Mayfly) Mayfly NymphBaetisca obesa (Armored Mayfly) Mayfly Nymph View 10 Pictures
Collected May 6, 2007 from the Neversink River (above reservoir) in New York
Added to Troutnut.com by Troutnut on May 10, 2007
Cinygmula (Dark Red Quills) Mayfly NymphCinygmula (Dark Red Quills) Mayfly Nymph View 8 PicturesThis nymph was one of many I collected with vivid white or semi-transparent markings on the front of the head, the sides of the pronotum (Pronotum: The top of the insect prothorax.), and the last abdominal segments.
Collected July 17, 2011 from the Gulkana River in Alaska
Added to Troutnut.com by Troutnut on July 20, 2011
Timpanoga hecuba (Great Red Quill) Mayfly NymphTimpanoga hecuba (Great Red Quill) Mayfly Nymph View 6 Pictures
Collected August 31, 2018 from the Bitterroot River in Montana
Added to Troutnut.com by Troutnut on June 13, 2019
Baetis (Blue-Winged Olives) Mayfly NymphBaetis (Blue-Winged Olives) Mayfly Nymph View 5 Pictures
Collected June 13, 2019 from the South Fork Snoqualmie River in Washington
Added to Troutnut.com by Troutnut on June 14, 2019
Specimen Page:1...525354...84
Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeHeptageniidaeEphemerella subvariaEphemerellaIsonychiaHydropsychidae
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