Introduction
Rapid Evolutionary Changes in a Globally Invading Fungal Pathogen (Dutch Elm Disease)
Invasions by the Late Blight Pathogen
The Effect of Multiple Importations of Pests and Pathogens on a Native Tree
Biology and Evolution of Beneficial and Detrimental Viruses of Animals, Plants, and Fungi
Seeds as Vehicles for Pathogen Importation
Epidemiology and Management of a Periodically Introduced Pathogen
Exotic lepidopteran leafminers in North American apple orchards
Invasions on large and small scales
Evolving management strategies for a recently discovered exotic forest pest