Metretopus borealis
(Eaton, 1871)
Metretopus borealis is a in the , originally described as Heptagenia borealis by Eaton in 1871. It is distributed across the Nearctic and Palearctic regions, with confirmed presence in North America. The species belongs to a small family of mayflies whose members are typically associated with cool, flowing waters.
Pronunciation
How to pronounce Metretopus borealis: /mɛˈtrɛtoʊpəs bɔːriˈælɪs/
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Distribution
Nearctic and Palearctic regions; confirmed present in North America.