Colour: Dark yellow or light brown. Body: The males are 1.9 to 2.1 mm long. The workers are 2,1 to 2,6 mm long. The queens are 4,5 to 4,9 mm long. Antennae: Long and thin, slender legs, small eyes. Colonies comprise of several queens and thousands of workers, and several colonies can be found in the same area; a colony can extend to an entire city.
The Argentine ant is mainly present around the Mediterranean.
An anthill is located outside, but ants enter buildings for food; they are omnivorous but prefer sugary foods.
They pollute structures by their droppings. They sometimes damage polystyrene. Carrier of mold causing food poisoning.