Squaregill
Guides
Neoephemera purpurea
large squaregill mayfly
Neoephemera purpurea is a species of large squaregill mayfly in the family Neoephemeridae. It was originally described as Oreianthus purpureus by Traver in 1931. The species is known from North America, though specific details about its biology and ecology remain poorly documented.