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Apple ermine moth is a defoliator of apple trees throughout
Europe and Asia, as far east as Japan. It was introduced into New York State in
1909, into New Brunswick in 1917 and into Ontario in 1957, but was eradicated
in all cases.
Surveys conducted in 1985-1986 established that the pest occurred over large
areas of southeastern Vancouver Island and the southwestern corner of the B.C.
mainland through to adjacent Washington State. In 1989-1990 the apple ermine
moth for the first time was found at many locations in the interior of B.C. For
regulatory purposes the whole province is now regarded as infested.
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