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Lyme disease risk reduction through the control of the principal tick vector, Ixodes dammini Spielman, Clifford, Piesman & Corwin, has become a major issue facing public health agencies in many endemic states. Where large tracts of land are involved, established methods of I. dammini control are impractical. An aerial application of carbaryl directed against fall populations of I. dammini adults resulted in 93.8% control after 96 h. Control persisted through the following spring. The usefulness of aerial applications may be limited to areas where logistic constraints obviate the use of conventional ground applications.