How do Japanese honey bees defend themselves from Japanese giant hornets?

they bite their eyes off
1905
they sink them
692
they overheat them
3977
they squeeze their reproductive organs
2702
As a hornet enters the hive, a mob of hundreds of honey bees surrounds it in a ball, completely covering it and preventing it from reacting effectively. The bees violently vibrate their flight muscles in much the same way as they do to heat the hive in cold conditions. This raises the temperature in the ball to the critical temperature of 46 °C.
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