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Elm bark beetles are the major
vector of Dutch elm disease. They carry the fungus on their backs
and burrow into elm trees. There are a number of
insecticides that are registered for use in controlling the elm bark
beetle population.
It is estimated, however, that less
than 5% of elm bark beetles actually carry the fungus. The
presence of the beetles does not necessarily indicate the presence of
Dutch elm disease. Also, it is important to consult a professional
applicator before using insecticides.
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