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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.
  • 2 streamside pictures of Ephemeroptera.

Pictures of 770 Mayfly Specimens:

Specimen Page:1...727374...78
Male Rhithrogena virilis Mayfly SpinnerMale Rhithrogena virilis  Mayfly Spinner View 8 PicturesI'm guessing this is Rhithrogena virilis based on resemblance to a similar specimen collected last year.
Collected June 16, 2018 from the South Fork Snoqualmie River in Washington
Added to by Troutnut on June 23, 2018
Male Ameletus (Brown Duns) Mayfly SpinnerMale Ameletus (Brown Duns) Mayfly Spinner View 1 PicturesThis specimen is close to Ameletus vernalis but the wing coloration is missing.
Collected June 10, 2011 from the Touchet River in Washington
Added to by Bnewell on June 26, 2011
Drunella doddsii (Western Green Drake) Mayfly NymphDrunella doddsii (Western Green Drake) Mayfly Nymph View 1 PicturesThis is a photo of the ventral (Ventral: Toward or on the bottom.) surface of this nymph which acts to help hold the nymph on rock surfaces.
Collected July 5, 2007 from Many streams in Montana
Added to by Bnewell on June 26, 2011
Specimen Page:1...727374...78
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