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1 September 2013 An Open-Field Efficacy Trial Using AquaDuet™ via an Ultra-Low Volume Cold Aerosol Sprayer Against Caged Aedes albopictus
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Abstract

We conducted an open-field ultra-low volume efficacy bioassay using a water-based formulation AquaDuet™ (prallethrin [1%], sumithrin [5%], and piperonly butoxide [5%]) applied from a truck-mounted cold aerosol sprayer. The adulticide was applied at 90.6 ml/ha (1.23 oz/acre) and 3 replicated treatments were performed using caged Aedes albopictus collected from local wild populations. Rotating impingers and mosquito cages were placed in 3 rows stationed at 30.5 m (100 ft), 61.0 (200 ft), and 91.4 (300 ft) downwind of the spray vehicle. Initial knockdown was 95.6%, with overall mortality >99% across all distances, despite low wind conditions. Volume median diameter (Dv0.5) and droplet density were 17.4 µm and 110.5 mm2, respectively. Our open-field studies against caged Ae. albopictus demonstrate that a water-based adulticide formulation is just as efficacious as traditional oil-based formulations.

2013 by The American Mosquito Control Association, Inc.
Ary Farajollahi and Gregory M. Williams "An Open-Field Efficacy Trial Using AquaDuet™ via an Ultra-Low Volume Cold Aerosol Sprayer Against Caged Aedes albopictus," Journal of the American Mosquito Control Association 29(3), 304-308, (1 September 2013). https://doi.org/10.2987/13-6334R.1
Published: 1 September 2013
JOURNAL ARTICLE
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