单词	horn fly
释义	horn fly noun : a small dark gray European dipteran fly (Haematobia irritans) that has been introduced into North America where it is a blood-sucking pest especially of cattle Example Sentences Recent Examples on the Web Suzan Murray, director of the Smithsonian’s Global Health Program, suggests that climate change may play a role: Insects such as horn flies that could be transmitting parasites could be thriving in generally warmer and wetter conditions. Jacob Brogan, Smithsonian, 19 May 2017 Word History First Known Use 1708, in the meaning defined above Medical Definition horn fly noun : a small black European dipteran fly (Haematobia irritans of the family Muscidae) that has been introduced into North America where it is a bloodsucking pest of cattle called also cattle fly
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