. . . I believe Myrmecology is even more significant for tropical ecology than Ornithology, because the impact of ants in tropical habitats is tremendous. In addition ants served for many disciplines as model systems, for example, Sociobiology, Communication Biology, Chemical Ecology, and in recent years ants and other social insects have become model organisms for the study of Epigenetics . . . (Bert Holldobler in a message sent to the organizers of the XX Simposio de Mirmecologia (2011) which was held at Petropolis, Brazil)