Redescriptions of the Oxyethira aeola Group Species in North America (Trichoptera:Hydroptilidae): Clarification of a Taxonomic Enigma

The Oxyethira aeola Group at present contains 8 species distributed among Nearctic, Palaearctic, and Neotropical regions. The 4 North American species of this group, O. abacatia Denning, O. aeola Ross, O. anabola Blickle, and O. mirabilis Morton, are similar and difficult to identify. The males of each of the 4 species are redescribed, illustrated, and keyed to clarify the confusing taxonomy.