Acerpenna pygmaea, the tiny blue-winged olive, is a species of small minnow mayfly in the family Baetidae. It is found in all of Canada and the continental United States.[1][2][3][4]
Acerpenna pygmaea, the tiny blue-winged olive, is a species of small minnow mayfly in the family Baetidae. It is found in all of Canada and the continental United States.
