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Heptageniidae (Flat-headed Mayflies)


Flat headed mayfly, bottom view


Flat headed mayfly, bottom view



Miscellaneous Unidentified Mayflies



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3 thoughts on “Mayflies

  1. As a child I lived in northern Minnesota. They called the Mayfly Fish flies. I think because they would land on the surface of the water and the fish would eat them. I see them every year in south west Arizona and wonder why they are here. I always liked their green color and felt they were a gentle insect.

    • Mayflies are found in a lot of bodies of water all over Arizona! They don’t have the mass emergences in AZ that you do sometimes in the midwest, but they’re definitely there. Interesting that you all called mayflies fishflies! There’s another group of insects that are often called fishflies that are quite different insects that come to mind when I hear that name.

  2. My Grandparents and friends called them fishflies. I think it may have been one of those regional names. I will search for the fishfly you mentioned. It is interesting to see what people in different areas call insects. I enjoy your site. It is the first one I have participated in.

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