Pulling back bark from a dead tree reveals the nest galleries of a colony of Lasius. South Bristol, New York, USA.
The intricate galleries in this underground nest of Lasius aphidicolus ants are made possible by a fungus that grows within a matrix of wood pulp sculpted by the ants. Vermilion River Observatory, Illinois, USA
Linepithema micans running through tunnels in their underground nest. Tafí del Valle, Tucumán, Argentina
