Figures 13–18 in Dichotomius woodruffi, a new Dichotomius species of the agenor group from Costa Rica and Nicaragua (Coleoptera: Scarabaeidae: Scarabaeinae)

Figures 13–18. Comparative structures of Dichotomius spp. 13) D. centralis anterior pronotal surface (lateraloblique view) subrugose, male pronotal anterior declivity with a medial carina. 14) D. agenor ventral clypeal process bilobed. 15) D. agenor female cephalic carina bituberculate. 16) D. enioi ventral clypeal process truncate. 17) D. enioi male anterior pronotal border simple, not medially sinuate. 18) D. enioi male pygidium less than twice as long as wide, convex.