IITA News

Biocontrol reduces Maruca pod borer population by 85%

Biocontrol reduces Maruca pod borer population by 85%

Scientists based at CGIAR-IITA’s climate change station in Benin are happy with the results of the just-concluded experimental release of wasps. These wasps, which are natural enemies of the Maruca pod borer, were released two years ago to go after the destructive cowpea insect. Results showed an 85% reduction in the population of the pod…

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Communications • 3rd April 2020

How wasps are used to control the destructive cowpea pest—Maruca vitrata

Maruca vitrata, also known as Maruca pod borer, is one of the most devastating insect pests of cowpea in Africa. Its larvae stage, the caterpillar, is the most destructive and attacks flowers and pods of various legumes causing up to 80% yield loss. Farmers resort to inappropriate pesticide applications with some spraying the legume as…

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Communications • 6th March 2020

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