5White P S.Biodiversity and the exotic species threat[A].Conference Proceedings of Exotic Pests of Eastern Forests[C].1-7(http://www.webriver.com/tn-eppc/index.htm).
6Simberloff D.Introduced insects:A biogeographic and systematic perspective[A].Monney H A,Drake J A.Ecology of biological invasions of North America and Hawaii,ecological studies 58[C].Springer-Verlag,New York,1986.3-26.
