Autodissemination of Metarhizium anisopliae and Beauveria bassiana in Musca domestica L. results in less oviposition and short gonotrophic cycle

C. A. García-Munguía, F. Reyes-Villanueva, M. A. Rodriguez-Perez, H. Cortez-Madrigal, M. Acosta-Ramos, L. A. Ibarra-Juárez, M. A. Velázquez-Machuca, J. T. Silva-García, M. Rebollar-Plata, A. M. Garcia-Munguia

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)

Resumen

Beauveria bassiana (Bals.-Criv.) Vuill. and Metarhizium anisopliae (Metchnikoff) Sorokin were autodisseminated in the house fly, Musca domestica L., when one, five, and 10 virgin, 3-day old males exposed to 6 × 108 conidia ml-1 per fungus were confined with 30 females of the same age. Fungal treatments with one or five males killed few, with LT50 of 7 and 5 days, respectively, but when 10 funguscontaminated males were placed with 30 flies, LT50 was 3 days with a sporulation rate of 94% and 66% less oviposition. Moreover, confinement of one, five, or 10 fungal-infected males caused an incremental increase in virulence, reducing the LT50. The regression of the mean of eggs, first-instar larvae, and days of gonotrophic cycle on the LT50 values of nine treatments (six fungal groups and three checks) showed that the three variables decreased about 3-4 units per unit of LT50. Likewise, when the gonotrophic cycle time was regressed on mean oviposition, a linear equation demonstrated that for each decrease of 15 eggs, the gonotrophic cycle was 1 day shorter, which was shortened from 7 days in healthy flies to 2 in females of the fungal treatment with 10 males. Ten virgin males impregnated with spores of either fungus infected and killed 50% of the exposed females in 3 days. This autodissemination could be used to improve integrated control of M. domestica in the field and human environments.

Idioma originalInglés
Páginas (desde-hasta)519-529
Número de páginas11
PublicaciónSouthwestern Entomologist
Volumen40
N.º3
DOI
EstadoPublicada - 1 sep 2015

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