The ants, along with a bunch of other insects, were found April 30 in the port of Charleston, crawling around in a container of aluminum scrap metal on a ship from Costa Rica, according to Steve Switzer, spokesman for the local customs office.
The big-headed ant is listed among 100 of the “World’s Worst” invaders, he said. It not only threatens native plants and other insects, it’s known to chew on irrigation pipes, telephone cables and electrical wires.'"
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|bigheaded ant, Pheidole fervens|
Image by Eli Sarnat, Bugwood.org