title: The impact of insecticide-treated cloth targets on the survival of Stegomyia polynesiensis (= Aedes polynesiensis) under laboratory and semi-field conditions in French Polynesia.
abstract: The impact of deltamethrin-impregnated cloth targets on Stegomyia polynesiensis (= Aedes polynesiensis) (Marks) (Diptera: Culicidae) was assessed under laboratory and semi-field settings in French Polynesia. Stegomyia polynesiensis females were released into small laboratory cages and large field cages containing either a deltamethrin-treated or an untreated navy blue cloth, and mosquito knock-down and mortality were assessed. The 24-h mortality rate in mosquitoes exposed to the insecticide-treated target in small cages was 98.0%. These mosquitoes also demonstrated significantly higher levels of knock-down than those exposed to the untreated target. Mortality in field cages was assessed at 24 and 48 h. The 24-h mortality rate in mosquitoes exposed to the control target was 31.2%, whereas that in those exposed to the deltamethrin-treated target was 54.3%. The 48-h mortality rate was also elevated in mosquitoes exposed to the deltamethrin-treated target, but this result did not differ significantly from that observed in mosquitoes exposed to the control target. The significant suppression of female S. polynesiensis by deltamethrin-treated resting targets in this study indicates that these targets could play a role in the control of an important disease vector in the South Pacific region.
authors.affiliation: Department of Biology, Valdosta State University, Valdosta, GA, U.S.A.|Department of Entomology, University of Kentucky, Lexington, KY, U.S.A.
authors.forename: E W
authors.initials: EW
authors.lastname: Chambers
authors.affiliation: Medical Entomology Laboratory, Institut Louis Malardé, Papeete, French Polynesia.
authors.forename: H C
authors.initials: HC
authors.lastname: Bossin
authors.affiliation: Medical and Veterinary Sciences, College of Public Health, Australian Institute of Tropical Health and Medicine, James Cook University, Cairns, QLD, Australia.
authors.forename: S A
authors.initials: SA
authors.lastname: Ritchie
authors.affiliation: Department of Medical Entomology, Sydney Medical School, University of Sydney, Sydney, NSW, Australia.
authors.forename: R C
authors.initials: RC
authors.lastname: Russell
authors.affiliation: Department of Entomology, University of Kentucky, Lexington, KY, U.S.A.
authors.forename: S L
authors.initials: SL
authors.lastname: Dobson
mesh_terms: D000330:Aedes; D000818:Animals; D005260:Female; D007300:Insect Control / Q000592:standards*; D007306:Insecticides; D009570:Nitriles; D011114:Polynesia; D011722:Pyrethrins; D016019:Survival Analysis
chemical_list: D007306:Insecticides; D009570:Nitriles; D011722:Pyrethrins; C017180:decamethrin
keywords: Stegomyia polynesiensis (= Aedes polynesiensis); lymphatic filariasis; vector control