Preface J. B. Cragg 1. Introduction M. V. Brian 2. Empirical data and demographic parameters C. Baroni-Urbani, G. Josens and G. J. Peakin 3. Production by ants and termites M. G. Nielson and G. Josens 4. Food and feeding habits of termites T. G. Wood 5. Food and feeding habits of ants D. J. Stradlin...