FIGURE 6 in The Gyrinidae (Coleoptera) fauna of Thailand: Key to tribes and genera, with new records and keys to species of Dineutini and Gyrinini

FIGURE 6. Elytral apex, aedeagus and gonocoxae: (A–D) D. unidentatus: (A) male elytral apex, scale bar = 2 mm; (B–C) aedeagus, scale bar = 0.5 mm: (B) dorsal view; (C) lateral view; (D) gonocoxae, ventral view, scale bar = 0.5 mm; (E–G) P. marginatus: (E–F) aedeagus, scale bars = 1 mm: (E) dorsal view; (F) lateral view; (G) gonocoxae, ventral view, scale bars = 1 mm.