Tag: forest ecosystems

Written by: D. Moorhead and G.K. Douce for Forest Encyclopedia Network

Figure 1. Balsam woolly adelgid was first found on Mount Mitchell, North Carolina, in 1957. The Fraser fir trees located at high elevations on Mount Mitchell have experienced heavy

Written by D. Kennard, D.J. Moorehead, C. Evans, and G.K. Douce for Forest Encyclopedia Network

Figure 1. Cankered stem of a beech tree following an attack by beech scale and infection by Nectria coccinea (beech bark disease complex) in Ontario.

Written by: G.K. Douce, C. Evans, and D.J. Moorhead for Forest Encyclopedia Network

Figure 1. A map showing the spread of emerald ash borer within the northeastern United States and southeastern Canada. http://www.emeraldashborer.info

Emerald ash borer, Agrilus planipennis, is …

Written by D.J. Moorhead and G.K. Douce for Forest Encyclopedia Network

Asian longhorned beetle, Anoplophora glabripennis, is a recently introduced pest from China. It is believed to have entered the United States inside solid wood packing material from China …