INSECTICIDE RESISTANCE IN CULEX PIPIENS FROM NEW YORK

Insecticides are the primary means to control Culex pipiens, an enzootic vector of West Nile virus, in the USA. To better understand how the evolution of resistance might impact control of this insect, we investigated the levels of resistance in populations collected from 2 metropolitan areas (Alban...

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Veröffentlicht in:	Journal of the American Mosquito Control Association 2005-09, Vol.21 (3), p.305-309
Hauptverfasser:	Paul, Ayesa, Harrington, Laura C, Zhang, Li, Scott, Jeffrey G
Format:	Artikel
Sprache:	eng
Schlagworte:	adulticides Animals Bacillus Bacillus sphaericus Bacillus thuringiensis Bacillus thuringiensis israelensis Bacillus thuringiensis subsp. israelensis Biological and medical sciences Culex Culex pipiens Culicidae Fundamental and applied biological sciences. Psychology Insecticide Resistance Insecticides Larva larvicides Medically important nuisances and vectors, pests of stored products and materials: population survey and control Methoprene Mosquito Control New York Pest Control, Biological phenothrin Pyrethrins resistance monitoring vector control Vectors. Intermediate hosts West Nile virus
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Beschreibung
Zusammenfassung:	Insecticides are the primary means to control Culex pipiens, an enzootic vector of West Nile virus, in the USA. To better understand how the evolution of resistance might impact control of this insect, we investigated the levels of resistance in populations collected from 2 metropolitan areas (Albany and Syracuse, NY) to 4 larvicides (methoprene, phenothrin, Bacillus sphaericus [Bs], and Bacillus thuringiensis israelensis [Bti]) and 1 adulticide (phenothrin) registered for mosquito control in New York State. High levels of resistance were found only to Bti, and only at 1 site (Syracuse). Resistance levels to the other insecticides were less than 10-fold. Given the large difference in Bti resistance between Syracuse and Albany, it appears these populations of Cx. pipiens do not rapidly mix, leading to localization of resistant populations.
ISSN:	8756-971X 1943-6270
DOI:	10.2987/8756-971X(2005)21[305:IRICPF]2.0.CO;2