The beetle Zygogramma bicolorata is used in India for the biological control of
- A.water hyacinth
- B.lantana
- C.Parthenium
- D.prickly pear
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Zygogramma bicolorata is a leaf-feeding beetle from Mexico, the native region of Parthenium hysterophorus, and it was introduced in India as a biological control agent because its grubs and adults strip the weed of leaves and check its seed production.
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