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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 95, No. s1, 2000, pp. 211-214
Bioline Code: oc00184
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 95, No. s1, 2000, pp. 211-214

 en Simulium spp. Control Program in Rio Grande do Sul, Brazil
Lucia Beatriz LF Mardini; Maria Amélia N Torres; Geraldo Lopes da Silveira & Ana Maria V Atz


Insects of the Simuliidae family have been the object of control in Rio Grande do Sul since the 70s. Their constant attacks became a social-economical problem as well as a problem of Public Health, with serious consequences to men and to the economy of the areas in which the insects develop. At first, the control was done with a chemical larvicide Themephos ABATE 500 E, but an imperfect measuring of outflow to determine the quantity of the product made Simulium spp. resistant to it. From 1983 on, following a study of a new method for the outflow measuring, we started to use a biological larvicide Bacillus thuringiensis serovar israelensis based. The biological control uses the new method in 36.4% of the state area, assisting about 3,500,000 inhabitants.

Simulium spp., biological control, Bacillus turingiensis serovar israelensis, Rio Grande do Sul, Brazil

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