Stomis vignai —group

This group contains a single polytypic species with a very wide distribution; it is characterized by the combination of: markedly convex body, large head, relatively short mandibles, both not notched, rounded pronotum, in some cases with multiple anterolateral setae, markedly rounded elytra, without humeral tooth, aedeagus large, with apical lamella long and narrow, in lateral view sinuate before the apex. Color black with green, bronze or coppery metallic hue.

Distribution. Sichuan, Gansu, Shaanxi, Hubei.