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

Ali Fulcher, Muhammad Farooq, Michael L. Smith, Chun Xiao Li, Jodi M. Scott, Emily Thomson, Phillip E. Kaufman, Rui De Xue*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

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.

Original languageEnglish
Pages (from-to)85-92
Number of pages8
JournalJournal of the American Mosquito Control Association
Volume31
Issue number1
DOIs
StatePublished - 1 Mar 2015
Externally publishedYes

Keywords

  • Aedes aegypti
  • Mist spray machine
  • barrier treatment
  • bifenthrin
  • vegetation

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