Updated May 17, 2019

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Biological control of Parthenium hysterophorus Weed using Zygoramma bicolorata leaf eating beetle

Part of Virginia Polytechnic Institute and State University

Biological control of Parthenium hysterophorus Weedy using Zygoramma bicolorata leaf eating beetle

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Amer Fayad

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Stage 5: Scaling

Focus Areas:


AgricultureSEE LESS

Implemented In:


EthiopiaSEE LESS

Country Implemented In
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Partheium Hysterophorus is an invasive weed species in East Africa, casing damage to crops lands, grazing, biodiversity, humans, animals and meat and milk



biocontrol agents such as Zygogramma bicolorata will feed on the weed and reduce its effects on the crops lands, grazing, livestock, and reduces health risks to humans

Target Beneficiaries

Farmers, the public

Innovation Description

Zygogramma bicolorata (Coleoptera: Chrysomelidae) is a natural enemy of the weed Parthenium hysterophorus (Asteraceae) introduced from Mexico via Australia and South Africa to Ethiopia. After conducting host specificity studies, both the Ethiopian government and USAID have given approval for field release. Currently this beetle has established in the fields in a few places in Ethiopia.

Competitive Advantage

Environmentally safe


Date Unknown
New Country Implemented In

Supporting Materials