Figure 18 from: Freitag H, Balke M (2011) Larvae and a new species of Ancyronyx Erichson, 1847 (Insecta, Coleoptera, Elmidae) from Palawan, Philippines, using DNA sequences for the assignment of the developmental stages. ZooKeys 136: 47-82. https://doi.org/10.3897/zookeys.136.1914

Figure 18 - Ancyronyx procerus Jäch, 1994, larva (SEM photographs): A pronotum and head, dorsal, B detail of abdominal segment III, ventral, C abdominal posterolateral projections, ventral, D head, ventral, E apical portions of labium and maxilla, ventral, F antenna, ventral, G thoracic segments, ventral, H hindleg, ventral, I operculum, ventral, J abdominal segment IX, ventral.