FIGURE 9. Four pronotums showing a in Revision of the Mecodema curvidens species group (Coleoptera: Carabidae: Broscini)

FIGURE 9. Four pronotums showing a variety of characters and their states: (a) presence of cuticular microsculpture and depressions; fovea broad and deep; prothoracic carina, broad; posterior edge, straight (Mecodema laterale); (b) absence of cuticular microsculpture and depressions; fovea narrow and shallow; posterior edge, curved (M. ponaiti); (c) fovea poorly defined; prothoracic carina, narrow (M. oblongum); (d) fovea absent (Oregus sp.) (scale bars = 5 mm).