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Below are links to videos of the female decapitating flies that attack red imported fire ants. These South American ants invaded the U.S. about 1930. They inflict painful bites and infest millions of acres in the South.
The Agricultural Research Service first brought decapitating flies to the U.S. from their native Brazil in the mid-1990's. The female fly deposits its eggs in the ants. After an egg hatches, the fly larva matures to adulthood inside the ant's decapitated head. The adult then emerges to seek a mate. (Read more about the research.)
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