Baetis
Guides
Baetis piscatoris
Baetis piscatoris is a species of mayfly in the family Baetidae, first described by Jay Traver in 1935. The species is known from the Nearctic region, with records from North America. As a member of the genus Baetis, it belongs to a diverse group of small to medium-sized mayflies commonly referred to as 'blue-winged olives' in angling contexts.