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21 June 2023 Relative efficacy of high-pressure versus backpack sprayer applications of 2 natural product-based acaricides for control of host-seeking Ixodes scapularis and Amblyomma americanum nymphs
Terry L. Schulze, Robert A. Jordan
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Abstract

We evaluated the relative effectiveness of the natural product acaricide Essentria IC3 and the entomopathogenic fungal acaricide BotaniGard ES to suppress host-seeking Ixodes scapularis Say and Amblyomma americanum (L.) nymphs when applied with low-pressure backpack and high-pressure sprayers. Essentria IC3 applied by backpack sprayer out-performed high-pressure applications, while the opposite was true for treatments with BotaniGard ES. We were unable to demonstrate consistently greater efficacy using high-pressure applications, and neither of the acaricides or application methods provided substantial (>90%) levels of control at 7 days postapplication.

Terry L. Schulze and Robert A. Jordan "Relative efficacy of high-pressure versus backpack sprayer applications of 2 natural product-based acaricides for control of host-seeking Ixodes scapularis and Amblyomma americanum nymphs," Journal of Medical Entomology 60(5), 1131-1135, (21 June 2023). https://doi.org/10.1093/jme/tjad074
Received: 26 January 2023; Accepted: 9 June 2023; Published: 21 June 2023
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KEYWORDS
Amblyomma americanum
fungal acaricide
Ixodes scapularis
natural acaricide
tick control
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