Evaluation of Bifenthrin applications in tires to prevent Aedes mosquito breeding

Nguyen, Huy T., Whelan, Peter, Shortus, Matthew S., and Jacups, Susan P. (2009) Evaluation of Bifenthrin applications in tires to prevent Aedes mosquito breeding. Journal of the American Mosquito Control Association, 25 (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 2.0–2.2 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 2.0–2.6 wk.

Item ID: 25853
Item Type: Article (Research - C1)
ISSN: 1943-6270
Keywords: Aedes notoscriptus, bifenthrin, larvicide, leaf-litter, tires
Date Deposited: 12 Jun 2013 01:57
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111799 Public Health and Health Services not elsewhere classified @ 50%
11 MEDICAL AND HEALTH SCIENCES > 1117 Public Health and Health Services > 111708 Health and Community Services @ 50%
SEO Codes: 92 HEALTH > 9204 Public Health (excl. Specific Population Health) > 920404 Disease Distribution and Transmission (incl. Surveillance and Response) @ 100%
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