FIGURE 24 in Revision of the Mecodema curvidens species group (Coleoptera: Carabidae: Broscini)

FIGURE 24. Three illustrations showing the different states of microsculpture on the vertex and frons: (a) the absence of cuticular microsculpture on the frons and vertex (curvidens group); (b) the presence of cuticular microsculpture on the frons and vertex (Mecodema ingroups); (c) represents the outgoup Oregus (scale bar = 3 mm).