Pauline Woods cooks witchetty grubs in the ashes of a campfire as her daughter watches, outside Alice Springs, Australia. Witchetty grubs are the larvae of cossid moths. The large white worms live in tunnels in the ground where they feed on sap from the roots of a species of Acacia, commonly known as Wichetty Bush. (Man Eating Bugs: The Art and Science of Eating Insects)