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Mayfly Family Baetidae (Blue-Winged Olives)



Pictures Below ↓

This is page 5 of specimens of Baetidae. Visit the main Baetidae page for:

  • The behavior and habitat of Baetidae.
  • 10 underwater pictures of Baetidae.

Pictures of 103 Mayfly Specimens in the Family Baetidae:

Specimen Page:1...456...11
Acerpenna pygmaea (Tiny Blue-Winged Olive) Mayfly NymphAcerpenna pygmaea (Tiny Blue-Winged Olive) Mayfly Nymph View 3 PicturesThis is a very rare mayfly in western Montana. The shape of the last gill is a key to its identification. I have collected this species in only one location.
Collected May 5, 2007 from the Upper Stillwater River in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 3 Pictures
Collected February 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 3 PicturesThis little Baetid looks a little stiff because it died shortly before being photographed.
Collected February 5, 2004 from the Bois Brule River in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 2 PicturesThis nymph has gills with indistinct veinlets (Veinlet: Short insect wing veins connecting the major longitudinal veins to the wing margin.), segments 5, 9, and 10 pale, a rounded 7th gill, and a very short middle tail.
Collected February 7, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Anafroptilum conturbatum (Tiny Sulphur Dun) Mayfly NymphAnafroptilum conturbatum (Tiny Sulphur Dun) Mayfly Nymph View 2 PicturesA moderately rare mayfly perhaps because the nymphs are fragile that nymphs are usually damaged in collection making identification more difficult.
Collected July 12, 2007 from Bowman Lake in Montana
Added to Troutnut.com by Bnewell on June 26, 2011
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 2 Pictures
Collected March 1, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Female Baetidae (Blue-Winged Olives) Mayfly SpinnerFemale Baetidae (Blue-Winged Olives) Mayfly Spinner View 3 Pictures
Collected May 24, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Baetis tricaudatus (Blue-Winged Olive) Mayfly AdultMale Baetis tricaudatus (Blue-Winged Olive) Mayfly Adult View 2 Pictures
Collected May 16, 2012 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on May 18, 2012
Female Callibaetis (Speckled Spinners) Mayfly DunFemale Callibaetis (Speckled Spinners) Mayfly Dun View 2 PicturesProbably Callibaetis ferrugineus.
Collected May 25, 2005 from Flathead Lake in Montana
Added to Troutnut.com by Bnewell on June 27, 2011
Female Callibaetis undatus (Speckled Spinner) Mayfly SpinnerFemale Callibaetis undatus (Speckled Spinner) Mayfly Spinner View 2 Pictures
Collected May 26, 2005 from the Flathead River-lower in Montana
Added to Troutnut.com by Bnewell on June 28, 2011
Specimen Page:1...456...11
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