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Revista Cubana de Medicina Tropical
Print version ISSN 0375-0760On-line version ISSN 1561-3054
Abstract
SUAREZ, Silvia et al. Efecto de la resistencia a los insecticidas sobre algunos parámetros demográficos de 3 cepas de Culex quinquefasciatus (Diptera:Culicidae), en condiciones de laboratorio. Rev Cubana Med Trop [online]. 1998, vol.50, n.2, pp.124-128. ISSN 0375-0760.
The life tables of 3 strains of Culex quinquefasciatus were studied under laboratory conditions: Slab, susceptible to reference; Old Havana, treated with cypermethrin until its fourth generation; and Cotorro, from the field. It was found that the different levels of resistance to organophosphate insecticides and pyrethroids present in the Cotorro and Old Havana strains did not influence either on the duration of the period of development of the inmature stages or in the sexual proportion of the emerged adults, but they had a favorable and directly porportional effect on the survival and longevity of the adults. However, they exerted a negative and inversely proportional influence on the reproduction and population growth of these strains. Useful data for the use and management of insecticides within the strategics of control of Culex quinquefasciatus, an important vector of lymphatic filariasis, are provided.
Keywords : INSECTICIDE RESISTANCE; LIFE TABLES; MOSQUITOES; CULEX.