FIGURE 1.
Examples of the exuberance and diversity of horn phenotypes across genera. From top to bottom: Phanaeus imperator, Onthophagus watanabei, Eupatorus gracilicornis, Trypoxylus (Allomyrina) dichotoma, Golofa claviger. (Reprinted after Ref 3. Copyright 2008 Armin Moczek)
