Chaetotaxy of abdominal sterna. 17 Oligaphorura groenlandica (adult, Taimyr) 18 Oligaphorura groenlandica (I instar, Taimyr) 19 O. interrupta (I instar) 20 O. interrupta (adult). Secondary setae in adults circled. Scale bars: 17 = 0.1 mm, 18–20 = 0.05 mm.

 
 
  Part of: Babenko AB, Fjellberg A (2015) Subdivision of the tribe Oligaphorurini in the light of new and lesser known species from North-East Russia (Collembola, Onychiuridae, Onychiurinae). ZooKeys 488: 47-75. https://doi.org/10.3897/zookeys.488.8123