FIG. 4 in Rhithrops capensis gen. et sp. nov., a new aquatic dryopid beetle from the Western Cape of South Africa (Coleoptera: Dryopoidea: Dryopidae)

FIG. 4. Rhithrops capensis gen. et sp. nov. A) labrum, dorsal view; B) right mandible, ventral view; C) right maxilla, dorsal view; D) close-up of maxillary palp apex; E) female labrum and mentum, ventral view; F) male labrum and mentum, anteroventral view.