FIGURES 17–21 in Notes on the tribe Petrognathini Blanchard, 1845 from China, with description of a new species from Yunnan (Coleoptera, Cerambycidae, Lamiinae)

FIGURES 17–21. Male terminalia of three species. 17, 20, Ithocritus similis Bi & Lin, sp. nov.; 18, 21 Falsimalmus niger Breuning, 1956; 19, Ithocritus ruber (Hope, 1839). 17, 18, genitalia. 19, 20, 21, endophallus in inflated and everted condition (lateral view). a, tergite VIII with sternites VIII and IX in ventral view; b, tegmen in ventral view and lateral view; c, median lobe in ventral view and lateral view; d, apical part of endophallus (ventral view); e, enlarged apical part of endophallus (lateral view). 17, 18, scale = 1 mm; others not to scale.