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The cereal leaf beetle is native to Europe, and is also reported
in north Africa and the near east. It is a pest of cereals, grains and various
grasses, and may cause significant yield loss in developing or uncontrolled
populations.
The first North American infestation was reported from Berrien County,
Michigan, USA in 1962. The
first record for the cereal leaf beetle in Canada was reported in 1967 from
southwestern Ontario. The cereal leaf beetle is now widely distributed
throughout eastern North America.
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