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Diabrotica barberi R. Smith and Lawrence, 1967 - (northern corn rootworm)
D. barberi is found mainly in north-eastern parts of North America. It is an important root pest of maize in North America, together with the western corn rootworms, Diabrotica virgifera virgifera. Yield loss and control costs have been estimated at $2 billion dollars per year for both beetles. The damage is mainly caused by the root feeding larvae that interrupt the uptake of water and nutrients by the maize plant.
For management, crop rotation with unsuitable crops like soybeans, or the use of Bt maize is widely used. However, resistance to Bt maize has developed.
Diabrotica longicornis barberi