PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY
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Witchetty grubs. Hands holding edible witchetty grubs dug up before being eaten. These are the larvae (caterpillars) of the cossid moth (Xyleutes leucomochla), the most common species of witchetty grub. They live among the roots of witchetty bushes on which they feed. All edible larvae dug from these bushes are called witchetty grubs. After becoming pupae they rise to the surface and are easily caught. Adult moths are also eaten. The eating of insects, entomophagy, occurs all over the world, and includes beetles, crickets and ants. Insects, spiders and scorpions are good sources of fats, carbohydrates and proteins. Phot- ographed near Alice Springs, central Australia.
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