Key to Species of Thysanomeros
1. Lateral margin of pronotum narrow, strongly undulate (Fig. 4); hind femur of male with dense, even brush of ventral setae on basal half (Fig. 1), elytra metallic green or bluish green ........................................................................................ jacobyi (Lefèvre) .
1’. Lateral margin of pronotum wide, weakly undulate (Fig. 5); hind femur of male with numerous setae in ventral third (Fig. 2); elytra metallic blue, rarely bluegreen ............ .............................................................................................................. ulateae Flowers.