Acerentulus bulgaricus sp. nov.: maturus junior (Sarnena Gora. 6.VI.2017. coll. D. Georgiev). A part of tergite VI B part of tergite VII. Scale bars: 10 µm.

 
 
  Part of: Shrubovych J, Georgiev DG, Fiera C (2019) A new species of Acerentulus Berlese, 1908 (Protura, Acerentomata, Acerentomidae) from Bulgaria with a revised key to the confinis group. ZooKeys 876: 27-38. https://doi.org/10.3897/zookeys.876.36743