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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Which of the following is a monophagous pest of rice?

    Question: Which of the following is a monophagous pest of rice?

    Options:

    Yellow stem borer
    Caseworm
    Leaf folder
    None of the above

    ✅Explanation:The yellow stem borer is a moth species belonging to the pyralidae family. It is considered a monophagous pest, meaning it primarily feeds on a single plant species: rice (Oryza sativa).

    📌 Other options Explanation:
    -Caseworm: (Nymphula depunctalis) While some caseworm species can feed on rice, they are generally polyphagous.
    -Leaf folder: Similar to caseworms, leaf folders are typically polyphagous.

    • Rice insect pests along with their scientific names:
    -Brown planthopper: Nilaparvata lugens
    -White-backed planthopper: Sogatella furcifera
    -Yellow stem borer: Scirpophaga incertulas
    -Rice armyworm: Mythimna separata
    -Rice black weevil: Sitophilus oryzae
    -Rice hispa: Dicladispa armigera
    -Rice gall midge: Orseolia oryzae
    -Thrips: Stenchaetothrips biformis

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