Larvicidal and adulticidal effects and ultrastructural changes of larvae midgut epithelium of musca domestica (diptera: muscidae) fed with bacillus thuringiensis var. kyushuensis
Rev. Soc. Bras. Med. Trop
;
52: e20190135, 2019. graf
Artículo
en Inglés
| LILACS
| ID: biblio-1041502
ABSTRACT
Abstract INTRODUCTION:
Musca domestica is resistant to many insecticides; hence, biological control is a suitable alternative.METHODS:
We evaluated the lethality of strain Btk176 towards the larval and adult M. domestica and the histopathological effects in the larvae midgut.RESULTS:
We observed 99% larval and 78.9% adult mortality within 48 hours of spore ingestion (dosage, 2.4×108 CFU/ml). The histopathological effects were consistent with cytotoxicity. PCR analysis showed the presence of the cry1Ba gene. Transmission electron microscopy revealed a bipyramidal parasporal body. Thurigiensin activity was not detected.CONCLUSIONS:
The serovar, Btk176 might be a potential biocontrol agent for houseflies.
Texto completo:
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Índice:
LILACS (Américas)
Asunto principal:
Bacillus thuringiensis
/
Toxinas Bacterianas
/
Moscas Domésticas
/
Insecticidas
/
Larva
Tipo de estudio:
Estudios de evaluación
Límite:
Animales
Idioma:
Inglés
Revista:
Rev. Soc. Bras. Med. Trop
Asunto de la revista:
Medicina Tropical
Año:
2019
Tipo del documento:
Artículo
País de afiliación:
Brasil
Institución/País de afiliación:
Fiocruz/BR
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