Researchers in Texas are trying an unusual approach to combat fire ants -- deploying parasitic flies that turn the pesky and economically costly insects into zombies whose heads fall off.
[...] But now the researchers are trying a tiny phorid fly, native to a region of South America where the fire ants originated. The flies lay eggs on the fire ants, and the eggs hatch into maggots inside the ant and eat away at the pest's tiny brain. The ant will get up and wander for about two weeks while the maggot feeds, said Rob Plowes, a research associate at the University of Texas at Austin.
"There is no brain left in the ant, and the ant just starts wandering aimlessly," he said.
About a month after the egg is laid, the ant's head falls off -- and a new fly emerges ready to attack another fire ant.
New weapon turns fire ants into headless zombies
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