Red imported fire ants are omnivorous creatures that eat virtually anything, though their diet consists mostly of plant seeds, fruit, and seedlings. They also supplement their diet with earthworms or other insects living in the soil, as a result of which crops in areas infested with the fire ants suffer heavy damage.
入侵紅火蟻是葷素不忌的雜食性動物，主要以植物種子、果實、嫩芽為主，也捕食土壤中的蚯蚓或其他昆蟲。因此紅火蟻侵入的地區，農作物大受損失。