FIGURES 1–9. Acerentulus apuliacus. 1 in Redescription of two European species of Acerentomidae (Protura) belonging to the Italian fauna

FIGURES 1–9. Acerentulus apuliacus. 1) Head. 2) Dorsal side of the anterior part of the head. 3) Scheme of the dorsal side of the head. 4) Pseudoculus (left and right side). 5) Canal of maxillary gland. 6) Maxillary palpus. 7) Labial palpus. 8) Foretarsus, exterior view. 9) Foretarsus, interior view. Arrows indicate pores. Figs. 1, 2, 4, 9 from the original drawings by Rusek & Stumpp (1988).