6. Grey weevil

6. Grey weevil - Myllocerus subfasciatus G.M., M.discolor Fab and M.viruidu Fab. (Curulionidae: Coleoptera.)

    Damage
    • Adult weevil cause notching of leaf margins.
    • Grub feeds on roots resulting wilting of plants.
    Bionomics
    • M. Subfasciatus – Brownish weevil;
    • M. discolor – Brown with white spot on elytra;
    • M.viridanus – Small light green weevil.
    Management
    • Collect & destruct the adult weevils
    • Apply carbofuran 3 G at 15 kg/hectare at 15 days after planting.

Last modified: Wednesday, 1 February 2012, 11:27 PM