FIGURES 3a–3c. a, b in Cybister (s. str.) poblanus sp. n. from Mexico and notes on other species of Cybistrinae (Coleoptera: Dytiscidae)

FIGURES 3a–3c. a, b: Part of venter showing ridges on metacoxae (stridulatory organ) and apicoventral angle of metafemora of: (a) Cybister poblanus sp. n.; (b) C. fimbriolatus; c: posterior surface of right mesotarsus of C. fimbriolatus; mesotarsomeres I–IV with two separate series of setae near apical margin: one posterodorsally (on top) and one posteroventrally (on bottom); some further setae removed for better visibility of the setae under consideration.