Couplet 8.
Tegula and mesoscutal-mesoscutellar suture present (Fig. 192); pronotal collar about as long as neck, collar with a transverse carina (Fig. 192, 201-203); legs slender (Fig. 43) (p. 44) (part)
Tegula and mesoscutal-mesoscutellar suture absent (Fig. M93); pronotal collar much longer than neck, collar without a transverse carina (Fig. M92); legs stout (Fig. 44)