Efeito Dos Fungos Entomopatogênicos Metarhizium Anisopliae E Beauveria Bassiana Sobre O Desenvolvimento De Musca Domestica L. (Diptera: Muscidae) Em Laboratório

The horn fly Haematobia irritans is one of the most important ectoparasites associated with grazing bovines. This study investigated the pathogenic activity of Metarhizium anisopliae (E9, IBCB425 and IBCB159), Beauveria bassiana (JAB06, JAB07 and AM09), Isaria fumosorosea (=Paecilomyces fumosoroseus) (IBCB133 and CB75) and Isaria farinosa (=Paecilomyces farinosus) (CG189 and CG195) fungi isolates on pupae and adult H. irritans. Groups of 20 pupae and 30 adult flies were respectively bathed and sprayed with fungal isolate suspensions containing 10(6), 10(7) and 10(8) conidia ml(-1) in bioassays conducted in laboratories. In both assays the adult flies were fed bovine blood for 15 days, and death rates were assessed daily. The E9 and IBCB425 M. anisopliae isolates caused pupae death at concentrations of 10(7) and 10(8) conidia ml(-1), and the JAB07 and AM09 B. bassiana isolates caused higher pupae mortality at a concentration of 10(8) conidia ml(-1). I. farinosa isolates were the most effective considering pupae mortality, with the CG195 inducing more deaths (56.6%) in the 10(8) conidia ml(-1) concentration suspension. Adult flies were more susceptible to the fungi's pathogenic action, since the E9 isolate of M. anisopliae and all of the B. bassiana induced death in 100% of the flies at the 10(8) conidia ml(-1) concentration suspension. The I. fumosorosea and I. farinosa isolates, on the other hand, were less effective in controlling adult flies. In both stages, but mostly the adult phase, pathogenicity was great at higher conidial concentrations.

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Entomopathogenic fungal activity against pupae and adult Haematobia irritans (Diptera: Muscidae)

Mochi

Monteiro

Machado

et al. 2010

Veterinary Parasitology

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Selection of fungi for the control ofMusca domesticain aviaries

Fernandes¹,

Valério²,

Borges³

et al. 2013

Biocontrol Science and Technology

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Horizontal Transmission ofBeauveria bassiana(Hypocreales: Cordycipitaceae) andMetarhizium anisopliae(Hypocreales: Clavicipitaceae) inMusca domestica(Diptera: Muscidae)

et al. 2015

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Beauveria bassiana Vuillemin and Metarhizium anisopliae (Metschnikoff) Sorokin are fungi with potential for controlling Musca domestica L. However, the impact on this dipteral may vary depending on the fungal isolates and the methodology used. This study evaluated the pathogenicity of direct application and horizontal transmission of B. bassiana (CG240) and M. anisopliae (CG34) on adult M. domestica individuals. The impact of B. bassiana and M. anisopliae on M. domestica was evaluated at the concentrations 2 × 10(4), 2 × 10(5), 2 × 10(6), and 2 × 10(7) conidia/ml. Horizontal transmission was also estimated between sexes at different infection periods of the vector insect. The mortality of adult M. domestica individuals directly infected with B. bassiana was above 90%, and the mortality of those infected with M. anisopliae ranged from 25.50 to 97.78%. Horizontal transmission of B. bassiana caused the death of 100% of individuals, in turn, that of M. anisopliae killed 55% of male and 100% of female individuals. Horizontal transmission of fungi was negatively influenced by time. This study shows the potential of these fungi for controlling M. domestica, both with the direct implementation strategy and horizontal transmission. However, field studies are needed to evaluate the capacity to decrease the M. domestica population using these alternatives.

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Efeito Dos Fungos Entomopatogênicos Metarhizium Anisopliae E Beauveria Bassiana Sobre O Desenvolvimento De Musca Domestica L. (Diptera: Muscidae) Em Laboratório

Cited by 8 publications

References 8 publications

Entomopathogenic fungal activity against pupae and adult Haematobia irritans (Diptera: Muscidae)

Entomopathogenic fungal activity against pupae and adult Haematobia irritans (Diptera: Muscidae)

Selection of fungi for the control ofMusca domesticain aviaries

Horizontal Transmission ofBeauveria bassiana(Hypocreales: Cordycipitaceae) andMetarhizium anisopliae(Hypocreales: Clavicipitaceae) inMusca domestica(Diptera: Muscidae)

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