Oxyethira species male genitalia. 23, 24 O. amieu sp. n., ventral and lateral views 25–27 O. houailu sp. n., ventral view, phallic apparatus and lateral view 28–30 O. insularis Kelley, ventral view, spine and setose lobe of left subgenital process and phallic apparatus 31–34 O. parinsularis sp. n., dorsal, ventral and lateral views and phallic apparatus. Abbreviations: gon = gonopod; r sp = rod of subgenital process; st lb = setose lobe of subgenital process; VIII, IX = abdominal segments VIII and IX.