This issue of MBCN is focused primarily on the alfalfa weevil. For many years alfalfa weevil was considered the single most important pest of alfalfa not only in the Midwest, but throughout all of the alfalfa-growing regions of the United States and Canada. Much effort has been devoted to controlling this introduced pest through classical biological control by importing numerous species of parasitoids from its native range throughout Europe, North Africa, the Middle East, India, and western Asia. After decades of work, this pest is no longer a problem in many areas because of the success of this biological control program.
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