📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • âś–

      Question

      Insect pests whose grubs bore into the grain to feed on

      them, heavy infestation of those pests results in powdery mass of grain while adult scrap surface of grain.
      A Lesser grain borer Correct Answer Incorrect Answer
      B Khapra beetle Correct Answer Incorrect Answer
      C Angoumois grain moth Correct Answer Incorrect Answer
      D Saw tooth beetle Correct Answer Incorrect Answer
      E Red flour beetle Correct Answer Incorrect Answer

      Solution

      Lesser grain borer/Hooded grain borer/paddy borer beetle: Rhyzopertha dominica Host range: Paddy, rice, wheat, maize.  Symptoms of damage • Grubs and adults cause damage and are voracious feeders. • Adults reduce the grain kernels to mere frass. • Grubs eat their way into the grain or feed on the grain dust and are capable of attacking grain externally.

      Practice Next
      More Important Agriculture Q Questions
      ask-question