Parasite turns wasp into zombie then drills through its head
The crypt gall wasp (Bassettia pallida) is a master manipulator. It parasitises the sand live oak tree, encouraging it to form hollow galls – or “crypts” – in its woody stems. Young wasps develop inside the crypts through the second half of the year, chewing their way out to emerge as adults the following spring. Image: hoan luong
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