FIGURE 2. a in The genus Ancyronyx Erichson, 1847 (Coleoptera, Elmidae) in Palawan and Busuanga, (Philippines) with descriptions of six new species

FIGURE 2. a) Collecting site PR1 in the St. Paul National Park, central Palawan. This undisturbed, morphologically heterogeneous stream section harboured the highest number of Ancyronyx species found in this study: A. patrolus, A. pseudopatrolus, A. minerva and A. helgeschneideri; b) Rocky side rill of a forest stream at collecting site Freitag (23), Napsan, central Palawan; typical microhabitat of Ancyronyx species, inhabited by A. patrolus, A. punkti and A. minerva.