screwworm fly
Americannoun
Etymology
Origin of screwworm fly
1905–10;
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Agriculture Department confirmed late Wednesday that New World screwworm fly larvae were found in a 3-week-old calf in Zavala County, Texas.
From The Wall Street Journal ● Jun. 4, 2026
Symptoms were first reported in wild deer in July, and laboratory tests in late September confirmed the presence of the screwworm, which is the larva of the screwworm fly.
From New York Times ● Nov. 25, 2016
The concept was pioneered in the 1950s when U.S. scientists used it to eradicate the screwworm fly.
From Los Angeles Times ● Feb. 8, 2016
Faced with the problem of a deadly cattle pest, the screwworm fly, the U.S.
From Slate ● Jan. 29, 2016
In the 1960s, sterile males were used to eradicate the resident screwworm fly population in Florida and large areas of the Southwest.
From Time Magazine Archive
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
