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Crouching Tiger, Hidden Trouble: Urban Sources of Aedes albopictus (Diptera: Culicidae) Refractory to Source-Reduction

Unlu, Isik ; Farajollahi, Ary ; Strickman, Daniel ; Fonseca, Dina M ; Michel, Kristin Michel, Kristin

PloS one, 2013-10, Vol.8 (10), p.e77999-e77999 [Periódico revisado por pares]

United States: Public Library of Science

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  • Título:
    Crouching Tiger, Hidden Trouble: Urban Sources of Aedes albopictus (Diptera: Culicidae) Refractory to Source-Reduction
  • Autor: Unlu, Isik ; Farajollahi, Ary ; Strickman, Daniel ; Fonseca, Dina M ; Michel, Kristin
  • Michel, Kristin
  • Assuntos: adults ; Aedes ; Aedes aegypti ; Aedes albopictus ; Animals ; Aquatic insects ; Asian tiger mosquito ; Basins ; Biology ; Buckets ; cans ; cleaning ; Containers ; cost effectiveness ; Culex pipiens ; Culicidae ; Diptera ; Disease ; disease vectors ; Endangered & extinct species ; habitats ; Insect control ; Insect Vectors ; Larvae ; Larvicides ; Mosquito Control ; Mosquitoes ; New Jersey ; Nuisance ; pupae ; Studies ; surveys ; Swimming pools ; Tires ; traps ; Urban areas ; Urban Renewal ; West Nile virus
  • É parte de: PloS one, 2013-10, Vol.8 (10), p.e77999-e77999
  • Notas: http://dx.doi.org/10.1371/journal.pone.0077999
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    SourceType-Scholarly Journals-1
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    Conceived and designed the experiments: IU AF DS. Performed the experiments: IU AF. Analyzed the data: IU DMF. Contributed reagents/materials/analysis tools: IU DMF. Wrote the manuscript: IU AF DS DMF.
    Competing Interests: The authors have declared that no competing interests exist.
  • Descrição: Our ultimate objective is to design cost-effective control strategies for Aedes albopictus , the Asian tiger mosquito, an important urban nuisance and disease vector that expanded worldwide during the last 40 years. We conducted mosquito larval surveys from May through October 2009 in the City of Trenton, New Jersey, USA, while performing intensive monthly source-reduction campaigns that involved removing, emptying, or treating all accessible containers with larvicides and pupicides. We examined patterns of occurrence of Ae. albopictus and Culex pipiens , another urban mosquito, among different container types by comparing observed and expected number of positive containers of each type. Expected use was based on the relative frequency of each container type in the environment. Aedes albopictus larvae and pupae were found significantly more often than expected in medium volumes of water in buckets and plant saucers but were rarely collected in small volumes of water found in trash items such as discarded cups and cans. They were also absent from large volumes of water such as in abandoned swimming pools and catch basins, although we consistently collected Cx. pipiens from those habitats. The frequency of Ae. albopictus in tires indicated rapid and extensive use of these ubiquitous urban containers. Standard larval-based indices did not correlate with adult catches in BG-Sentinel traps, but when based only on Ae. albopictus key containers (buckets, plant saucers, equipment with pockets of water, and tires) they did. Although we found that only 1.2% of the 20,039 water-holding containers examined contained immature Ae. albopictus (5.3% if only key containers were counted), adult populations were still above nuisance action thresholds six times during the 2009 mosquito season. We conclude that in urban New Jersey, effective source reduction for Ae. albopictus control will require scrupulous and repeated cleaning or treatment of everyday use containers and extensive homeowner collaboration.
  • Editor: United States: Public Library of Science
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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