Thaioodes gen. n. piceus sp. n. from Khon Kaen, Thailand, holotype. 19. Habitus; 20–22. Elytra (20. left anterolateral view; a – transformed interval 9 into marginal gutter; 21. left posterolateral view; a – end of stria 7 and fusion of intervals 7 and 8; b – outward ridge formed by interval 8; c – transformed interval 9 into marginal gutter; 22. posterodorsal view; a – parallel joints of tarsal claw of right hind leg; b – impressed striae 1–7 and convex intervals; c – presence of marginal gutter at apex). Scale bars = 2 mm (Fig. 19); = 1 mm (Figs 20–22).