Apparent influence of the stage of blood meal digestion on the efficacy of ground applied ULV aerosols for the control of urban Culex mosquitoes. I. Field evidence

Reiter, P.; Eliason, D.A.; Francy, D.B.; Moore, C.G.; Campos, E.G.

Journal of the American Mosquito Control Association 6(3): 366-370

1990


ISSN/ISBN: 8756-971X
PMID: 2230762
Document Number: 363525
The impact of ULV resmethrin on urban Culex mosquitoes was evaluated in 4 field trials by monitoring daily oviposition rate. A well-defined oscillation of effect, with a period corresponding to the duration of the gonotrophic cycle, was observed. We postulate that this oscillation arises from changes in susceptibility following blood feeding and/or behavioral factors. The data indicate that a single treatment with ULV may be inadequate for the effective control of vector mosquitoes.

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