Figure 4 in Revision of the Chinese species of the genus Belonuchus Nordmann (Coleoptera: Staphylinidae: Philonthina)

Figure 4. Scanning electron micrographs of Belonuchus coomani sp. nov. (A) Underside of head, showing gular sutures (arrows), ventral view; (B) mentum, showing one anterolateral seta on each side (arrow); (C) labial palpus; (D) prosternum; (E) pronotal hypomeron; (F) mesoventrite, showing transversal carina (arrow); (G) first visible sternite, showing basal line (arrow); (H) tergites III–V, showing two basal lines (arrows); (I) protergal glands (osmeteria); (J) maxillary palpus and right mandible, ventral view; (K) protarsus with modified pale setae, ventral view; (L) apical portion of last segment of protarsus, empodial setae absent.