Evaluation of Bifenthrin Applications in Tires to Prevent Aedes Mosquito Breeding

H NGUYEN, P WHELAN, M SHORTUS, Susan Jacups

    Research output: Contribution to journalArticleResearchpeer-review

    Abstract

    The efficacy of maximum label rates of bifenthrin applications to dry tires to prevent Aedes mosquito breeding was investigated by field colonization and bioassay trials in shaded and unshaded locations. Aedes notoscriptus and Culex quinquefasciatus larvae were the most abundant species present in the field colonization trial. Colonization and survival of Ae. notoscriptus larvae to the late instar occurred significantly earlier in treated tires in shaded compared with unshaded locations (P 0.002). Bifenthrin applications in shaded tires only prevented early instar survival for ?2.6 wk. Aedes notoscriptus late instars did not appear in the treated unshaded tires. Culex quinquefasciatus colonized treated tires from the 2nd wk in both shaded and unshaded treatments. In the bioassay, water from bifenthrin-treated tires, through extrapolation, was found to kill ?100 of late instar Ae. notoscriptus for only ?2.02.2 wk in shaded and unshaded tires. Under conditions optimal for Aedes breeding, such as shaded locations, high ambient temperatures, high relative humidity, and high amounts of leaf/organic matter accumulations, bifenthrin may not be effective as a larval control measure in tires for greater than 2.02.6 wk. � 2009 by The American Mosquito Control Association, Inc.
    Original languageEnglish
    Pages (from-to)74-82
    Number of pages9
    JournalThe Journal of the American Mosquito Control Association
    Volume25
    Issue number1
    Publication statusPublished - 2009

    Fingerprint

    bifenthrin
    Aedes
    tires
    tire
    Culicidae
    mosquito
    Breeding
    Aedes notoscriptus
    breeding
    Culex
    Biological Assay
    Larva
    instars
    Mosquito Control
    colonization
    Culex quinquefasciatus
    Humidity
    bioassay
    bioassays
    larva

    Cite this

    NGUYEN, H ; WHELAN, P ; SHORTUS, M ; Jacups, Susan. / Evaluation of Bifenthrin Applications in Tires to Prevent Aedes Mosquito Breeding. In: The Journal of the American Mosquito Control Association. 2009 ; Vol. 25, No. 1. pp. 74-82.
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    abstract = "The efficacy of maximum label rates of bifenthrin applications to dry tires to prevent Aedes mosquito breeding was investigated by field colonization and bioassay trials in shaded and unshaded locations. Aedes notoscriptus and Culex quinquefasciatus larvae were the most abundant species present in the field colonization trial. Colonization and survival of Ae. notoscriptus larvae to the late instar occurred significantly earlier in treated tires in shaded compared with unshaded locations (P 0.002). Bifenthrin applications in shaded tires only prevented early instar survival for ?2.6 wk. Aedes notoscriptus late instars did not appear in the treated unshaded tires. Culex quinquefasciatus colonized treated tires from the 2nd wk in both shaded and unshaded treatments. In the bioassay, water from bifenthrin-treated tires, through extrapolation, was found to kill ?100 of late instar Ae. notoscriptus for only ?2.02.2 wk in shaded and unshaded tires. Under conditions optimal for Aedes breeding, such as shaded locations, high ambient temperatures, high relative humidity, and high amounts of leaf/organic matter accumulations, bifenthrin may not be effective as a larval control measure in tires for greater than 2.02.6 wk. � 2009 by The American Mosquito Control Association, Inc.",
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    Evaluation of Bifenthrin Applications in Tires to Prevent Aedes Mosquito Breeding. / NGUYEN, H; WHELAN, P; SHORTUS, M; Jacups, Susan.

    In: The Journal of the American Mosquito Control Association, Vol. 25, No. 1, 2009, p. 74-82.

    Research output: Contribution to journalArticleResearchpeer-review

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    AU - SHORTUS, M

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    AB - The efficacy of maximum label rates of bifenthrin applications to dry tires to prevent Aedes mosquito breeding was investigated by field colonization and bioassay trials in shaded and unshaded locations. Aedes notoscriptus and Culex quinquefasciatus larvae were the most abundant species present in the field colonization trial. Colonization and survival of Ae. notoscriptus larvae to the late instar occurred significantly earlier in treated tires in shaded compared with unshaded locations (P 0.002). Bifenthrin applications in shaded tires only prevented early instar survival for ?2.6 wk. Aedes notoscriptus late instars did not appear in the treated unshaded tires. Culex quinquefasciatus colonized treated tires from the 2nd wk in both shaded and unshaded treatments. In the bioassay, water from bifenthrin-treated tires, through extrapolation, was found to kill ?100 of late instar Ae. notoscriptus for only ?2.02.2 wk in shaded and unshaded tires. Under conditions optimal for Aedes breeding, such as shaded locations, high ambient temperatures, high relative humidity, and high amounts of leaf/organic matter accumulations, bifenthrin may not be effective as a larval control measure in tires for greater than 2.02.6 wk. � 2009 by The American Mosquito Control Association, Inc.

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