larvicide

/ˈlɑːrvɪsaɪd/
noun
  1. A substance used to kill insect larvae (young insects).
    • The city sprayed larvicide in the ponds to control the mosquito population.
    • Environmental groups studied the effects of larvicide on non-target aquatic life.
    • Farmers often apply larvicide to standing water to protect their crops from pests.
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