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Wednesday, August 21, 2013

Caterpillar uses the sun to navigate...


An unusual caterpillar uses the sun to navigate as it jumps to safety, according to scientists.
The larva of Calindoea trifascialis, a species of moth native to Vietnam, wraps itself in a leaf before dropping to the forest floor.
It then spends three days searching for a suitable place to pupate, despite not being able to see out of its shelter.
Experts found the insect used a piston-like motion to jump away from strong sunlight.
"We believe the object of the jumping is to find shade - to avoid overheating and desiccation," explained Mr Kim Humphreys from the Royal Ontario Museum, Canada who conducted the research alongside Dr Christopher Darling.
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