The bluegrass billbug and the hunting billbug,
have caused widespread economic damage to orchardgrass, a cool season grass
that is cultivated throughout the United States as a high-value forage
crop. Although a number of cultural, biological, and chemical control
methods have been suggested for billbugs in turfgrass and corn, there has been
little focus on control in orchardgrass. Therefore, further investigations are
warranted to verify the life histories of the bluegrass and hunting billbugs on
orchardgrass, and feeding studies are needed to determine whether these species
regularly feed on orchardgrass and, if so, how likely they are to become pests.
Finally, the current measures available for control of billbugs in orchardgrass
are extremely limited. New management tools, insecticides or otherwise, are
required to effectively control this pest.
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