Enhancing the Quality of Spray Application in IRS: Evaluation of the Micron Track Sprayer

  • Janneke Snetselaar
  • , Rosemary Lees
  • , Geraldine Foster
  • , Kyle Walker
  • , Baltazari J. Manunda
  • , David J. Malone
  • , Franklin W. Mosha
  • , Mark W. Rowland
  • , Matthew J. Kirby

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Indoor residual spraying (IRS) has changed little since its introduction in the 1940s. Manual spraying is still prone to variation in insecticide dose. To improve the application of IRS in experimental hut trials, an automated track sprayer was developed, which regulates the speed of application

and the distance of the nozzle from the wall, two key sources of variation. The automated track sprayer was compared to manual spraying, firstly using fluorescein solution in controlled indoor settings, and secondly in experimental huts in Tanzania using several IRS products. Manual spraying

produced greater variation with both fluorescein and insecticide applications. Both manual and automated spray methods under-dosed the actual dose sprayed compared to the target dose. Overall, the track sprayer treats surfaces more consistently, offering a potential improvement over manual spraying for experimental hut evaluation of new IRS formulations.

Original languageEnglish
Article number523
Pages (from-to)523
JournalInsects
Volume13
Issue number6
DOIs
Publication statusPublished - 6 Jun 2022

Keywords

  • application technology
  • broflanilide
  • clothianidin
  • deltamethrin
  • IRS
  • pirimiphos-methyl

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