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Photo#2060482
Mayfly Aug 16 - Hexagenia

Mayfly Aug 16 - Hexagenia
MacBride SRA, Johnson County, Iowa, USA
August 16, 2021

Moved
Moved from Mayflies.

Hexagenia
Hi Mark-

I believe this female subimago to be of genus Hexagenia, either Hexagenia limbata or Hexagenia rigida, both of which are known to be present in Iowa, but require microscopic examination of the male imago's genitalia in order to differentiate from one another.

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