1. Beattie, A.J., 1985. The Evolutionary Ecology of Ant-Plant Mutualisms. Cambridge University Press, Cambridge.
2. Blum, M.S., Jones, T.H., Hölldobler, B., Fales, H.M., andJaouni, T. 1980. Alkaloidal venom mace: Offensive use by a thief ant.Naturwissenschaften. 67:144?145.
3. Braekman, J.C., Daloze, D., Pasteels, J.M., van Hecke, P., Declercq, J.P., Sinnwell, V., andFrancke, W. 1987. Tetraponerine-8, an alkaloidal contact poison in a Neoguinean pseudomyrmecine ant,Tetraponera sp. Z. Naturforsch. 42c:627?630.
4. Brandao, C.R.F. 1987. Queenlessness inMegalomyrmex (Formicidae: Myrmicinae) with a discussion of the effects of the loss of true queens in ants, pp. 111?1112,in J. Eder and H. Rembold (eds.).Chemistry and Biology of Social Insects. Proc. 10th IUSSI, Munich 1986, Verlag J. Peperny, Munich.
5. Brandao, C.R.F. 1990. Systematic revision of the neotropical ant genusMegalomyrmex Forel (Hymenoptera: Formicidae: Myrmicinae).Arquivos de Zoologica 31:411?481.