FIGURES 14–22 in Ancyronyx reticulatus and A. pulcherrimus, two new riffle beetle species from Borneo, and discussion about elmid plastron structures (Coleoptera: Elmidae)

FIGURES 14–22. Ancyronyx reticulatus, female: 14) posteromesal portion of metaventrite with discrimen, surface finely reticulate, ventral view; 15) anterior portion of right elytron and scutellum, dorsal view; 16) elytral sculpture with microreticulation; shiny granules (setae abraded) and puncture, dorsal view; 17) metafemur, dorsal view; 18) femoral microsculptures, dorsal view; 19) hind claws, ventrolateral view; 20) ventrites 1–3, ventral view; 21) lateral portions of ventrites 1–2 showing deep large punctures, cordiform setose granules and secretions/encrustations, ventrolateral view; 22) enlarged view of area indicated on previous figure.