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)

Oxyethira species male genitalia. 1–3 O. spinifera sp. n., ventral and lateral views, and phallic apparatus 4–6 O. tiwaka sp. n., ventral view, phallic apparatus and lateral view 7–9 O. perignonica sp. n., ventral view, phallic apparatus and lateral view 10–12 O. abbreviata sp. n., ventral view, phallic apparatus and lateral view. Abbreviations: gon = gonopod; r sp = rod of subgenital process; st lb = setose lobe of subgenital process; VIII, IX = abdominal segments VIII and IX.