Microcerotermes diversus (Silvestri) is the most economically destructive termite in structures in southwest, Iran . One sustainable control strategy that usually help in reducing the subterranean termite damage in buildings , which is safe to the user and the environment is the use of IGRs in a suitable bait matrix. In the laboratory assays described here, the delayed toxicity of Flurox (a Chitin Synthesis Inhibitor) to M. diversus was evaluated under two-choice and no-choice conditions. Flurox induced workers and nymphs mortality and incomplete ecdysis in nymphs of M. diversus under two-choice and no-choice feeding tests. These adverse effects may cause disruption of the caste balance in M. diversus, leading to the collapse of the colony. These assays determined concentrations of Flurox which can be applicable in bait formulations.

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