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2. Feeding behaviour of alfalfa weevil larvae parasitized by Bathyphlectes curculionis;Armbrust;J. Econ. Entomol.,1970
3. Leaf disc method of testing alfalfa plants for resistance to feeding by adult alfalfa weevils;Barnes;J. Econ. Entomol.,1967
4. Aspects of host-plant relationship of the Colorado beetle;Bongers;Meded. Land-bouwh. Wageningen,1970