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versão impressa ISSN 0103-8478
MORAES, Ana Paula Rodrigues; BITTENCOURT, Vânia Rita Elias Pinheiro e BITTENCOURT, Avelino José. Pathogenicity of Beauveria bassiana on immature stages of Stomoxys calcitrans. Cienc. Rural [online]. 2010, vol.40, n.8, pp. 1802-1807. ISSN 0103-8478. http://dx.doi.org/10.1590/S0103-84782010000800021.
Because it is a hemathofagic diptera, the Stomoxys calcitrans (Linnaeus, 1758) inflicts great losses in the Brazilian cattle. Nowadays, researches have been directed to the control methods that reduce the use of chemical insecticides and preserve the environment. This study evaluated the entomopathogenic potential of the isolated CG 138 and CG 228 of Beauveria bassiana on eggs, larvae and pupae of S. calcitrans in environmental conditions and the isolated ESALQ 986 of B. bassiana in eggs. For each fungal isolated were used concentrations of 2x106, 2x107 and 2x108 conidia ml-1. The results suggest that the isolated CG 138, CG 228, ESALQ 986 present a saprophytic effect, because they did not affect significantly the development of immature stages of the stable flies, affecting this way its use as entomopathogenic agent.
Palavras-chave : Stable fly; entomopathogenic fungi; biologic control.