Conclusions
Termites treated topically with chlorpyrifos-C readily absorbed the material and metabolized it to chlorpyrifos oxygen analog. There also was evidence for some dechlorination of chlorpyrifos to 3-dechlorochlorpyrifos. Subsequent metabolism of chlorpyrifos and chlorpyrifos oxygen analog to water-soluble metabolites proceeded slowly. The efficacy of chlorpyrifos as a termitxcide is obviously related to the rapid formation and relatively slow degradation of the toxic chlorpyrifos oxygen analog in the eastern subterranean termite.
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Hutacharern, C., Knowles, C.O. Metabolism of chlorpyrifos-14C in the eastern subterranean termite. Bull. Environ. Contam. Toxicol. 13, 351–356 (1975). https://doi.org/10.1007/BF01685350
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DOI: https://doi.org/10.1007/BF01685350