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    Question

    The species of Trichogramma used against yellow stem

    borer, Scirpophaga incertulus in rice is
    A Trichogramma minutum Correct Answer Incorrect Answer
    B Trichogramma chilonis Correct Answer Incorrect Answer
    C Trichogramma japonicum Correct Answer Incorrect Answer
    D Trichogramma brassilensis Correct Answer Incorrect Answer
    E Both b & c Correct Answer Incorrect Answer

    Solution

    Egg parasitoids used against yellow stem borer are: Tetrastichus schoenobii, Telenomus beneficiens, Trichogramma chilonis, T. japonicum.

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