FIGURES 1–8. Piestus heterocephalus Fauvel, 1902. 1 in New position of an abdominal defensive gland complex in Staphylinidae (Coleoptera) with redescription of Piestus heterocephalus Fauvel, 1902 (Piestinae)

FIGURES 1–8. Piestus heterocephalus Fauvel, 1902. 1) habitus, dorsal view; 2) habitus, lateral view; 3) head, dorsal view; 4) head, lateral view; 5) sternites VI and VII, ventrolateral view (arrow: external opening of the defensive gland); 6) sternites VI and VII, ventral view; 7) sternites VI and VII, dorsal view, tergites removed, micrograph; 8) micrograph showing details of reservoir and of cell mass.