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Insect Order Ephemeroptera (Mayflies)



Pictures Below ↓

This is page 46 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...454647...84
Cinygma (Western Light Cahills) Mayfly NymphCinygma (Western Light Cahills) Mayfly Nymph View 2 Pictures
Collected July 14, 2011 from Swamp Creek in Oregon
Added to Troutnut.com by Bnewell on July 14, 2011
Female Hexagenia limbata (Hex) Mayfly SpinnerFemale Hexagenia limbata (Hex) Mayfly Spinner View 2 PicturesI found this Hexagenia limbata spinner on a gas station in upstate New York, not a region known for heavy hatches of this species.
Collected July 13, 2005 from Gas station in Whitney Point, NY in New York
Added to Troutnut.com by Troutnut on April 14, 2006
Ameletus celer (Brown Dun) Mayfly NymphAmeletus celer (Brown Dun) Mayfly Nymph View 2 Pictures
Collected July 14, 2011 from Swamp Creek in Oregon
Added to Troutnut.com by Bnewell on July 15, 2011
Maccaffertium (March Browns and Cahills) Mayfly NymphMaccaffertium (March Browns and Cahills) Mayfly Nymph View 2 Pictures
Collected January 14, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Male Drunella pelosa Mayfly NymphMale Drunella pelosa Mayfly Nymph View 8 Pictures
Collected July 25, 2019 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 26, 2019
Female Drunella doddsii (Western Green Drake) Mayfly DunFemale Drunella doddsii (Western Green Drake) Mayfly Dun View 7 PicturesI still haven't got my good camera gear set up, but I wanted to get my first Alaskan bug specimen online, so I photographed this one with my point+shoot in the raft.
Collected July 8, 2007 from the Gulkana River in Alaska
Added to Troutnut.com by Troutnut on July 19, 2007
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 3 PicturesClose examination under a microscope revealed that this Baetid nymph has segment 5 pale, segments 8, 9, and 10 pale but less so, a middle tail almost as long as the outer tails, conspicuous gill veinlets (Veinlet: Short insect wing veins connecting the major longitudinal veins to the wing margin.), no bands on its tails, and pointed, slender 7th gills.
Collected February 7, 2004 from unknown 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 2 PicturesI saw under a microscope that the gills on this specimen aren't tracheated.
Collected February 7, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Siphlonurus occidentalis (Gray Drake) Mayfly NymphSiphlonurus occidentalis (Gray Drake) Mayfly Nymph View 2 Pictures
Collected August 4, 2011 from Rainbow Lake in Washington
Added to Troutnut.com by Bnewell on August 4, 2011
Hexagenia limbata (Hex) Mayfly DunHexagenia limbata (Hex) Mayfly Dun View 2 PicturesThis species is very abundant in Flathead and Whitefish Lakes with a smaller population in lakes of the Swan River Drainage, and a few in Lake McDonald in Glacier Park. This species usually emerges along with Ephemera simulans.
Collected July 31, 2010 from Flathead Lake in Montana
Added to Troutnut.com by Bnewell on June 29, 2011
Specimen Page:1...454647...84
Top 10 Fly Hatches
BaetisBaetidaeEphemerellidaeHexagenia limbataChironomidaeHeptageniidaeEphemerella subvariaEphemerellaIsonychiaHydropsychidae
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