Abstract
The relative efficacy of 25 acaricides, applied topically to the engorged adults of B. microplus was in the following order: chlorfenvinphos > tetrachlorvinphos > dimethoate > chlorpyrifos > fenitrothion > dicrotophos (LC50 = 0.000897-0.00244%) > naled > propoxur > crotoxyphos > pirimiphos ethyl > coumaphos > dioxathion (LC50 = 0.00425-0.00534%) > trichlorphon > lindane > carbaryl > allyxycarb > diazinon (LC50 = 0.00737-0.0149%) > promecarb > ethion > chlorpyriphos methyl > chlormebuform (LC50 = 0.021-0.0593%) > clenpyrin > chlordimeform > pirimiphos methyl > phosphamidon (LC50 = 0.1566-0.275%).
The order of toxicity is different from their relative efficacy against the larvae of the same population of the tick. Applied implications of the results are discussed.
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Rawlins, S.C., Mansingh, A. Susceptibility of Engorged Adults of the Cattle Tick, Boophilus Microplus (Canestrini), to Acaricides. Int J Trop Insect Sci 1, 377–378 (1981). https://doi.org/10.1017/S1742758400000709
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DOI: https://doi.org/10.1017/S1742758400000709