An Operational Evaluation of 3 Methoprene Larvicide Formulations for Use Against Mosquitoes in Catch Basins

Environmental Health Insights
Justin E HarbisonR S Nasci

Abstract

Effectiveness in controlling mosquitoes in storm water catch basins in the North Shore Mosquito Abatement District (northeastern Cook County, Illinois) was determined for 3 formulations of methoprene-based larvicides (Altosid XR 150-day Briquets, Altosid 30-day Pellets, Altosid 30-day Granules) in 2017 using a pass/fail evaluation criterion, in which emergence of a single adult from pupae collected from the basin constituted a control failure. Over the course of the 16-week study, basins receiving the 150-day briquets were treated once and basins receiving the pellet and granular formulations were treated every 4 weeks, with the first treatment occurring during the last week of May. Untreated basins were also observed for comparison with the treated basins. Over the course of the study, adult mosquitoes emerged from pupae collected in 94.2% of the untreated basins that contained pupae. All of the formulations evaluated in the study demonstrated some degree of control compared with the untreated basins, with pupae successfully emerging as adults in 64.6%, 55.5%, and 21.8% of samples from 150-day briquet, 30-day tablet, and 30-day pellet-treated basins that contained pupae, respectively. Pellets reapplied every 28 days provided s...Continue Reading

References

Jan 26, 2007·Journal of Vector Ecology : Journal of the Society for Vector Ecology·Jorge R ReyMichele M Cutwa-Francis
Feb 20, 2007·Journal of the American Mosquito Control Association·Patrick J StockwellJennifer K Meece
Nov 1, 1917·American Journal of Public Health : the Journal of the American Public Health Association·J W Bunker
Aug 3, 2011·Journal of the American Mosquito Control Association·Gabriel L HamerEdward D Walkers
Nov 10, 2013·Journal of the American Mosquito Control Association·Justin E HarbisonRobert Berry
Apr 30, 2014·Journal of the American Mosquito Control Association·Justin E HarbisonLara R Dugas
Jun 8, 2017·Journal of the American Mosquito Control Association·Lal S MianLawrence Dodson
Jan 26, 2018·Journal of the American Mosquito Control Association·Roger S NasciJustin E Harbison

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Citations

Jun 1, 2018·Journal of the American Mosquito Control Association·Justin E HarbisonMarilyn O'Hara Ruiz
Aug 19, 2021·Journal of the American Mosquito Control Association·Justin E HarbisonMark E Clifton

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