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Acta Biológica Colombiana

versión impresa ISSN 0120-548X

Resumen

BRITO, Bruna David et al. AMAZONIAN ISOLATES OF Metarhizium ARE EFFECTIVE FOR KILLING Bactrocera carambolae (DIPTERA: TEPHRITIDAE). Acta biol.Colomb. [online]. 2019, vol.24, n.1, pp.118-124. ISSN 0120-548X.  http://dx.doi.org/10.15446/abc.v24n1.70275.

Bactrocera carambolae Drew & Hancock is a quarantine pest present in Brazil and is the main phytosanitary barrier for the export of fresh fruits from that country. In this work, we evaluated the effect of Amazonian isolates of Metarhizium on kill larvae, pupae, and adults of B. carambolae in soil applications. The mortality of larvae and pupae in sterile soil treated with Metarhizium anisopliae was 70 %. In addition, 100 % of the adults that emerged from this substrate died up to five days later. This isolate caused the mortality of larvae and pupae in non-sterile soil, but its effect was more evident after adult emergence (70 % mortality up to ten days after emergence). Metarhizium robertsii was effective in killing larvae and pupae of the pest, especially in non-sterile soil, and caused a 60 % reduction in adult survival 50 days after emergence. These results indicated the possible use of these isolates for the control of B. carambolae, suggesting the possibility of using this biocontrol mode as another alternative in controlling this quarantine pest.

Palabras clave : Biological control; carambola fruit fly; entomopathogenic fungi; fruit flies.

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