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Percentage mortality of lone star ticks treated with clay and silicate dusts

Percentage mortality of lone star ticks treated with clay and silicate dusts

A study conducted by U.S. Department of Agriculture’s Agricultural Research Service in Texas examined the effectiveness of two organic dusts, known as Surround and CimeXa, when applied directly to lone star tick (Amblyomma americanum) larvae and nymphs. In the tests, CimeXa proved to be extremely effective, killing all the larvae and almost all the nymphs within 24 hours. (Chart originally published in Showler et al 2018, Journal of Medical Entomology)

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