Acerentulus bulgaricus sp. nov.: Holotype A part of pronotum and mesonotum B part of tergite I C part of tergite VI D prosternum E mesosternum F part of tergite VII G part of tergite VIII H sternite III I abdominal leg of sternite III J sternite VI K sternite VII. Arrows show pores. Scale bar: 20 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.