Wasp Bores Into Fruit With Metallic “Drill Bit”

May 29, 2014 3:34 PM

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Wasp Bores Into Fruit With Metallic “Drill Bit”

To lay her eggs, the female parasitic fig wasp has to pierce the tough skin of unripe figs. Luckily, she has a built-in power tool: A drill-bit-like appendage that’s thinner than a human hair and tipped with zinc, a new study reveals.

“If you look at this structure, it’s so beautiful in the sense that it’s hard but maneuverable, which is a tough challenge” for a drilling tool, said study leader Namrata Gundiah, a mechanical engineer at the Indian Institute of Science in Bangalore, India. (Watch a video of a parasitic wasp at work...

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