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单词 screw-worm fly
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screw-worm fly
screw-worm fly n. originally U.S. any of a group of blowflies (family Calliphoridae) whose larvae infest livestock, other animals, and humans, esp. Cochliomyia hominivorax; also called screw fly; cf. sense 2a.
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the world > animals > invertebrates > phylum Arthropoda > class Insecta > order Diptera or flies > [noun] > suborder Cyclorrhapha > family Calliphoridae > member of genus Cochliomyia (screw fly)
screw fly1868
screw-worm fly1879
1879 Cultivator & Country Gentleman 4 Sept. 570/4 Branding and castrating must be done in two months in Texas, on account of the screw-worm fly.
1993 M. J. R. Hall & K. G. V. Smith in R. P. Lane & R. W. Crosskey Med. Insects & Arachnids xii. 448 This Old World genus includes the Old World screw-worm fly, Chrysomya bezziana, an obligate parasite in wounds.
2001 N. Jones Rough Guide Trav. Health ii. 304 The New World screw worm flies deposit their eggs on the edges of wounds and healthy mucous membranes (mouth, nose, etc), allowing the larvae to burrow into the flesh.
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