单词	larvicide
释义	larvicide noun lar·​vi·​cide ˈlär-və-ˌsīd  : an agent for killing larval pests larvicidal ˌlär-və-ˈsī-dᵊl  adjective Example Sentences Recent Examples on the Web Rawashdeh knew from her readings that essential oils could act as a larvicide. Elizabeth Gamillo, Smithsonian Magazine, 5 May 2022 In early April, the Baltimore County Council approved a roughly $7.5 million contract for a larvicide to be sprayed via helicopter onto the waters of Back River over the next five years. Christine Condon, Baltimore Sun, 18 Apr. 2022 Some local authorities also spray larvicide and insecticide. The Salt Lake Tribune, 31 Mar. 2022 The test site was treated with larvicide, according to the city of Colleyville, and is scheduled for continued treatment and testing. Anna Caplan, Dallas News, 20 July 2021 Buena Vista Lagoon is the largest of almost 50 areas that San Diego County regularly treats with larvicide, including 10 in Oceanside and four in Carlsbad. Phil Diehl, San Diego Union-Tribune, 25 July 2021 Despite an avalanche of effort -- including aerial, truck and backpack spraying and the use of mosquito-eating fish -- local control efforts to contain Aedes aegypti with larvicide and pesticide had been largely ineffective. Sandee Lamotte, CNN, 30 Apr. 2021 Health officials use two products to get rid of mosquitos when an area tests positive: an adulticide, which kills grown mosquitoes on contact, and a larvicide, which is effective against mosquito larva for about 40 days, Huang said. Dallas News, 14 Sep. 2020 Despite an avalanche of effort — from aerial, truck and backpack spraying to the use of mosquito-eating fish — local control efforts to contain the Aedes aegypti with larvicide and pesticide had been largely ineffective. Sandee Lamotte, CNN, 19 Aug. 2020 See More Word History First Known Use circa 1888, in the meaning defined above Medical Definition larvicide noun lar·​vi·​cide variants also larvacide ˈlär-və-ˌsīd  : an agent for killing larvae
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