Preface. Acknowledgement. 1. Are island forests vulnerable to invasive defoliators?; M.K. Kay. 2. Changing forest communities: role of tree resistance to insects in insect invasions and tree introductions; F. Lieutier. 3. Southern hemisphere exotic pine plantations threatened by insect pests and their associated fungal pathogens; M.J. Wingfield et al. 4. Native insects colonizing introduced tree species - patterns and potential risks; P. Dalin and C. Bjoerkman. 5. Biological pest control in mix and match forests; R.G. van Driesche. 6. Impacts of insects in forest landscapes: implications for forest health management; R.N. Coulson and F.M. Stephen. 7. Insect populations in relation to environmental change in forests of temperate Europe; A. Battisti. 8. Synecology of Wasmannia auropunctata, an invasive ant species (Hymenoptera: Formicidae), in continuous and fragmented areas in the Brazilian Atlantic forest; C.R.F. Brandao and R.R. Silva. 9. Changing relationships among biodiversity, management, and biosecurity in managed and unmanaged forests; L.M. Hanks. 10. Changing the mix: new rules in regulating herbivore populations; T.D. Paine. Keyword index. Species index.