Definition of "larvicide" [larvicide]

• An insecticide designed to kill larval pests. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Additionally, unsafe sources of drinking water can be treated with an approved larvicide, such as ABATE®*, that kills copepods, and communities can be provided with new safe sources of drinking water, or have existing dysfunctional ones repaired."
• "That means killing the mosquitoes before they hatch with the use of larvicide."
• "The use of neem oil as a larvicide for mosquito control is being studied in the laboratory and field trials are planned for the near future."