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serving a lasting remnant...for future recovery.”
Where possible, and particularly in ecologically sensitive areas, management of forest pests is also shifting away from heavy reliance on chemical controls, which can often do more harm to an ecosystem than good, toward a mixed strategy that employs more biological controls along with some targeted chemical application.
Populations of gypsy moth throughout the park were greatly reduced in 1992 from a naturally occurring virus (nucleopolyhedrosis) and an introduced fungus (Entomophaga maimaiga), along with some targeted applications of other biological and chemical controls by park staff. However, with the recent drought, the fungus is not thriving and the moth population is back on the rise, particularly in the northern end of the park.
Methods for suppressing emerald ash borer infesta
89.9%