FIGURE 4 in Morphology and feeding biology of larvae of the South African endemic water beetle genus Prosthetops Waterhouse, 1879 (Coleoptera: Hydraenidae)

FIGURE 4. Mouthparts and cephalic appendages of third instar larva of Prosthetops wolfbergensis. a: Left antenna, dorsal view; b: Right antenna, dorsal view; c: Labrum, dorsal view; d: Epipharynx, ventral view; e: Detail of distal end of right maxilla, ventral view; f: Maxillae and labium, ventral view; g: Hypopharynx, ventral view; h: Left mandible, dorsal view; i: Right mandible, dorsal view. Scale bars: 0.3 mm (a–d and f–i), 0.05 mm (e).