Abstract
Imago dispersal by the West Indian drywood termite, Cryptotermes brevis (Walker) (Isoptera: Kalotermitidae) potentially initiates or expands structural infestations by the establishment of incipient colonies. The prevention of drywood termite colonization in structures is difficult, but a substantial reduction may be obtainable. In this experiment, seasonal dispersal of C. brevis imagos commenced from infested wood in a laboratory building. A bioassay was developed to determine the efficacy of 100, 50, and 10% label rate applications of a borate (Tim-Bor) and silica (CimeXa) dust or solution against C. brevis colony establishment under these simulated field conditions. All treatments prevented colony establishment at label rate applications, whereas Tim-bor significantly reduced colonization at all exposure rates.
Published Version
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