FIGURES 4–10. Hydrocanthus debilis Sharp, 1882, instar I in Description and chaetotaxic analysis of the larval instars of Hydrocanthus debilis Sharp, 1882 (Coleoptera: Noteridae)

FIGURES 4–10. Hydrocanthus debilis Sharp, 1882, instar I: (4) left antenna, dorsal aspect; (5) right antenna, ventral aspect; (6) left mandible, dorsal aspect; (7) right maxilla, dorsal aspect; (8) left maxilla, ventral aspect; (9) labium, dorsal aspect; (10) labium, ventral aspect. Numbers and lowercase letters indicate primary setae and pores respectively. AN, antenna; LA, labium; MN, mandible; MX, maxilla. Scale bars = 0.04 mm.