Review of New Caledonian species of Oxyethira Eaton, with description of 17 new species, and new records for Hydroptila Dalman and Hellyethira Neboiss (Trichoptera, Hydroptilidae)

Abstract. New Caledonian representation of the cosmopolitan genus Oxyethira Eaton is reviewed, with the description of new species bringing to 26 the total for the genus on the island. The species are referred to three subgenera: Trichoglene Neboiss (11 species), Pacificotrichia Kelley (13 species) and Dampfitrichia Ulmer (one species) and one species is unplaced to subgenus. A key is provided to Oxyethira species of New Caledonia. In addition, new records are given for two otherwise Australian species, Hydroptila losida Mosely and Hellyethira malleoforma Wells. Points marked on a series of small maps of New Caledonia indicate the site or sites at which the species were collected. This final paper in a series of generic revisions brings the hydroptilid fauna of the island of New Caledonia to 60 species, distributed in six genera.