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      Evaluation of a new spraying machine for barrier treatment and penetration of bifenthrin on vegetation against mosquitoes.

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          Abstract

          The effectiveness and penetration of a novel, truck-mounted mist sprayer (3WC-30-4P provided by American LongRay) was evaluated with bifenthrin in a large, park-like setting with historic floodwater and woodland mosquito populations. Efficacy evaluations were determined through adult population collections and excised leaf bioassays. Trapping results showed a mean reduction of 77% in mosquito populations in the treated area for 5 sampling events up to 4 wk posttreatment. Leaf bioassays revealed an average mortality of 80% at 2.7 m and 51% at 5.5 m against laboratory-reared Aedes aegypti for 5 posttreatment samples. Leaves collected from the treated areas caused higher mortality at distances closer to the sprayer, though the distance and coverage of bifenthrin application was effective up to 5 m.

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          Author and article information

          Journal
          J. Am. Mosq. Control Assoc.
          Journal of the American Mosquito Control Association
          The American Mosquito Control Association
          8756-971X
          8756-971X
          Mar 2015
          : 31
          : 1
          Affiliations
          [1 ] 1  Anastasia Mosquito Control District, 500 Old Beach Road, St. Augustine, FL 32080.
          Article
          10.2987/14-6424R.1
          25843180

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