1. Aanen DK, Eggleton P, Rouland-Lefévre C, Guldberg-Frøslev T, Boomsma JJ, Rosendahl S (2002) The evolution of fungus-growing termites and their mutualistic fungal symbionts. Proc Natl Acad Sci USA 99:14887–14892
2. Alexander RD, Noonan KM, Crespi BJ (1991) The evolution of eusociality. In: Sherman PW, Jarvis JUM, Alexander RD (eds) The biology of the naked mole rat. Princeton University Press, Princeton, pp 1–44
3. Aoki S (1977) Colophina clematis (Homoptera, Pemphigidae), an aphid species with soldiers. Kontyu 45:276–282
4. Batra LR (1966) Ambrosia fungi: extent of specificity to ambrosia beetles. Science 153:193–195
5. Bignell D, Eggleton P (2000) Termites: evolution, sociality, symbioses, ecology. Kluwer, Dordrecht, The Netherlands