Acerentulus bulgaricus sp. nov.: A hind part of head B pseudoculus C maxillary palpus D labial palpus E maxillary gland F exterior view of foretarsus G interior view of foretarsus H female squama genitalis I male squama genitalis. Figure H – paratype SMNH 90.1 A–G, I – holotype. Scale bars: 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.