单词	screwworm
释义	screwworm noun screw·​worm ˈskrü-ˌwərm  1 : a blowfly (Cochliomyia hominivorax) of the warmer parts of America whose larva develops in sores or wounds or in the nostrils of mammals including humans with serious or sometimes fatal results especially : its larva 2 : any of several flies other than the screwworm and especially their larvae which parasitize the flesh of mammals Example Sentences Recent Examples on the Web This approach eradicated the screwworm in the United States. New York Times, 11 Aug. 2021 Inside a compound in Panama, the United States is breeding a billion destructive screwworm flies a year, then releasing them. National Geographic, 19 Dec. 2019 The program renders the flies infertile, part of a decades-long effort to protect livestock by keeping the screwworm flies—and their flesh-eating, parasitic larvae—away. National Geographic, 19 Dec. 2019 On the other more than a hundred deer were killed in a screwworm infection in 2016-2017, and Hurricane Irma had a negative impact on the herd as well. Dan Sweeney, sun-sentinel.com, 19 Aug. 2019 The Key deer has rebounded from its all-time low, but significant numbers were wiped out by Hurricane Irma and by an infestation of screwworm in 2016-2017 that killed 135 deer. Dan Sweeney, sun-sentinel.com, 15 Aug. 2019 An outbreak of grisly screwworm infected the planet’s last herd of Key deer on and around Big Pine in 2016, killing about 135 deer. Jenny Staletovich, miamiherald, 29 Mar. 2018 In Florida, a screwworm outbreak killed 135 Key deer last year and white-nose syndrome among bats has killed more than 5 million. Jenny Staletovich, miamiherald, 29 Mar. 2018 First, after a nasty infection by the larvae of a parasitic fly called the screwworm began to infest the population in the fall of 2016. David Goodhue, miamiherald, 11 Sep. 2017 See More Word History First Known Use 1846, in the meaning defined at sense 1 Medical Definition screwworm noun screw·​worm ˈskrü-ˌwərm  1 : either of two dipteran flies of the genus Cochliomyia: a : one (C. hominivorax) of the warmer parts of America whose larva develops in sores or wounds or in the nostrils of mammals including humans with serious or sometimes fatal results especially : its larva b : secondary screwworm 2 : a dipteran fly of the genus Chrysomya (C. bezziana) that causes myiasis in Africa and southern Asia
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