Oligaphorura duocellata sp. n. 10 dorsal chaetotaxy and pso position 11PAO and nearest pso12 sensorial elements of AO13 labium 14Ti.2 15 chaetotaxy of abdominal sterna, juvenile 16 ibid, adult. Scale bars: 10, 16 = 0.1 mm; 32, 15 = 0.05 mm; 11–13 = 0.01 mm.