FIGURES 17–23. Platambus convexus Okada, 2011, instar I in Description of the larvae of four Japanese Platambus Thomson, 1859 (Coleoptera: Dytiscidae: Agabinae) with phylogenetic considerations

FIGURES 17–23. Platambus convexus Okada, 2011, instar I, head appendages: (17–18) antenna, (17) dorsal aspect; (18) ventral aspect; (19–20) maxilla, (19) dorsal aspect; (20) ventral aspect; (21–22) labium; (21) dorsal aspect; (22) ventral aspect; (23) mandible, dorsal aspect. Numbers and lowercase letters refer to primary setae and pores, respectively; filled squares refer to additional setae. Scale bars = 0.10 mm.