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white mayfly - Maccaffertium terminatum

white mayfly - Maccaffertium terminatum
Turtle Lake, 1621 1 3/4 St., Barron County, Wisconsin, USA
July 12, 2015
Gathering_2015. It would be very much appreciated if anyone can narrow this to genus. I would like to know just how the various genera of this family are separated but I cannot find anything pertaining to that in the info sections. Many IDed photos just have the determination without giving any helpful hints.


I will Id this
Sorry I never look past my speciality being Stenacron but I do sometimes search for miss placed samples. The shape of the frontal shelf the forward area of the head know as the clypeus is shaped correctly for the genus Maccaffertium. The slight black bands on the on each abdominal segments being what we call tergite transverse bands are faint and restricted to the median area being the uppermost area. With the overall appearance combined with above I would be comfortable calling this female imago. Maccaffertium terminatum.


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