Minerva's flat-headed mayfly

Mayfly in the family Heptageniidae. Lives near water.

There are 4 observations of Minerva's flat-headed mayfly in Québec, mostly in Montréal, Nord-du-Québec and Chaudière-Appalaches, and it has been reported in 3 of the 17 regions. They peak in July and August and become rare from October to May.