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If prizes for Halloween costumes were handed out in the world of nature, this scary skull-faced creepy-crawly would surely win. The extraordinary specimen is the larvae of the pink underwing moth, an endangered species only found in the Australian rainforest. Ecologist Lui Weber photographed the rare caterpillar, which is characterised by a set of teeth-like markings set between spots that look like eyes with large pupils.

Picture: Lui Weber/Rex Features (via Pictures of the day: 29 October 2012 - Telegraph)

If prizes for Halloween costumes were handed out in the world of nature, this scary skull-faced creepy-crawly would surely win. The extraordinary specimen is the larvae of the pink underwing moth, an endangered species only found in the Australian rainforest. Ecologist Lui Weber photographed the rare caterpillar, which is characterised by a set of teeth-like markings set between spots that look like eyes with large pupils.

Picture: Lui Weber/Rex Features (via Pictures of the day: 29 October 2012 - Telegraph)