Photo: A bee hovers above a flower - their buzz scares off other insects such as caterpillarsFrom The Daily Mail:
Flowers use bright colours and strong scents to attract honeybees to their pollen. But the stripy insects also defend them from other insects, according to a new study in Current Biology.
Their buzzing noise warns off others such as caterpillars who would otherwise munch on the blooms undisturbed.
The researchers, led by Jürgen Tautz from Biozentrum Universität Würzburg, Germany, found many caterpillars possess fine sensory hairs on the front portions of their bodies that enable them to detect air vibrations, such as the sound of an approaching predatory wasp or honeybee.
'These sensory hairs are not fine-tuned,' Mr Tautz said.
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