THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY THIERRY BERROD, MONA LISA PRODUCTION / SCIENCE PHOTO LIBRARY
Bee stinger, coloured scanning electron micrograph (SEM). Close-up of the end of a bee's stinger, with traces of blood (red). The stinger is used to inject venom when the bee feels threatened. Unlike wasps, bee stingers have barbs which prevent the bee from pulling them out. Instead, the stinger stays in the victims skin and is ripped out of the bee's body, killing the bee.
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