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Enhanced Efficiency of Electrostatically Charged Insecticide Aerosols by Lindsey F Whitmore; John F Hughes; Neale Harrison; Mario Abela; Patrick O'Rourke is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract The bioefficacy of a standard domestic aerosol insecticide has been compared with that of a similar spray in which the droplets were electrostatically charged. The aerosol was charged without the need for an external power supply, by enhancing natural charge separation processes that occur during atomisation. The charge‐to‐mass ratio achieved was 1.1 × 10^−4^ C kg^−1^, compared with 2.2 × 10^−5^ C kg^−1^ for the standard aerosol. Efficiency was assessed for insects in free flight. A direct space‐spray application method was used to study the bioefficacy of these aerosols on houseflies, __Musca domestica__, and an indirect space‐spray method on houseflies and mosquitoes, __Culex quinquefasciatus__. Two levels of concentration of active ingredients were compared. At low concentrations of 1.57 g kg^−1^ of bioallethrin and 0.29 g kg^−1^ of bioresmethrin, the charged aerosol achieved a significant reduction in KDT~50~ (time at which 50% of the flies were knocked down), compared with the standard aerosol. In the direct spray application to houseflies, the KDT~50~ was reduced by 50%, while in the indirect spray the KDT~50~ was reduced by 40%. In the indirect spray of mosquitoe

Who reads Enhanced Efficiency of Electrostatically Charged Insecticide Aerosols?

Author

Lindsey F Whitmore; John F Hughes; Neale Harrison; Mario Abela; Patrick O'Rourke

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

2001

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)