Chaetotaxy of abdominal sterna. 33 Micraphorura alnus (adult) 34 Archaphorura serratotuberculata (adult). Secondary setae circled. Scale bars: 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