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Male Neoleptophlebia heteronea (Blue Quill) Mayfly Spinner Pictures

 I keyed this one out to species on the microscope because it was too small for the genitalia to show the distinguishing characteristics in the images here.

This mayfly was collected from the Madison River on July 1st, 2019 and added to Troutnut.com on July 18th, 2019.


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