This atlas presents maps of historical defoliation by the eastern and western spruce budworms and historical outbreaks of the mountain and southern pine beetles

The abundance of insects can change dramatically from generation to generation; these generational changes may occur within a growing season or over a period of

This open access book will provide an introduction to forest entomology, the principles and techniques of forest insect pest management, the different forest in

Climate change, urban sprawl, abandonment of agriculture, intensification of forestry and agriculture, changes in energy generation and use, expansion of infras