What temperature do Japanese honey bees raise the temperature to when defensively engulfing a scout hornet?
Answer
$46^ ext{C}$ ($115^ ext{F}$)
The Japanese honey bee, *Apis cerana japonica*, simultaneously vibrates its thoracic muscles within the swarm ball, raising the surrounding temperature to a critical point, often reaching $46^ ext{C}$ ($115^ ext{F}$), to kill the intruder.
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