Leaf-cutter ants chew leaves into mulch, which grows an edible fungus. A worker caste of honey-pot ants called repletes swell into tiny balls to store food collected by foragers. Army ants move in ...

Today, Oz's native societies still thrive on insects like honey-pot ants — which use their bodies as a portable pantry — and witchetty grubs, or large, wood-eating moth larvae. Roasted ...