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Research Projects

INSECT POPULATION DISTRIBUTION AND CLIMATE CHANGE

Forest Defoliators and Climatic Change: Potential Changes in Spatial Distribution of Outbreaks of Western Spruce Budworm (Lepidoptera: Tortricidae) and Gypsy Moth (Lepidoptera: Lymontriidae)

Williams, D.W. and Liebhold, A.M. (1995): Forest Defoliators and Climatic Change: Potential Changes in Spatial Distribution of Outbreaks of Western Spruce Budworm and Gypsy Moth. Environmental Entomology 24, 1-9.

Figure 1:

Distribution of susceptible forest types for western spruce budworm and gypsy moth, respectively.

(a) Combined Douglas fir, fir-spruce, larch, and ponderosa pine forests.Oregon Forest susceptible to spruce budworm

(b) Combined oak-hickory and oak-pine forests.Pennsylvania susceptible to gypsy moth