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Insect Order Ephemeroptera (Mayflies)



Pictures Below

This is page 73 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...727374...84
Rhithrogena robusta Mayfly SpinnerRhithrogena robusta  Mayfly Spinner View 2 Pictures
Collected July 15, 2011 from the Touchet River in Washington
Added to Troutnut.com by Bnewell on July 15, 2011
Female Maccaffertium modestum (Cream Cahill) Mayfly SpinnerFemale Maccaffertium modestum (Cream Cahill) Mayfly Spinner View 3 PicturesThis one was collected in in association with this male. It looks quite different, but that's often the case between spinner genders.
Collected August 5, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 19, 2006
Baetidae (Blue-Winged Olives) Mayfly NymphBaetidae (Blue-Winged Olives) Mayfly Nymph View 3 PicturesHere's a Baetid nymph close to hatching, with darkened wingpads. It's got dark bands on the tail at the middle and tip, a rounded, oval 7th gill, and gill veinlets (Veinlet: Short insect wing veins connecting the major longitudinal veins to the wing margin.) which are visible but not conspicuous.
Collected August 8, 2004 from unknown in Wisconsin
Added to Troutnut.com by Troutnut on January 25, 2006
Specimen Page:1...727374...84
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