Black Ant

Lasius Niger


Colour: dark brown or black. Body: The workers are 3,4 to 5 mm long. The queens are 15mm long.

Living Areas

The black ant can be found all over France.


This ant nests outside in gardens, under slabs, in the grass, under walls; they enter homes regularly to seek food. They are omnivorous but prefer sugary foods.


They pollute structures by their droppings. They sometimes damage polystyrene. Carrier of mold causing food poisoning.