The Asian giant hornet (‘murder hornet’), dangerous to both people and other insects, has arrived in the United States.
The hornet is known to kill whole beehives without resistance, chopping off bees’ heads and taking their thoraxes to feed their own young. While Japanese bees appear to have evolved a defense against them where they swarm each individual hornet and cook it alive by flexing their muscles to generate heat, American and European bees are defenseless, putting them in danger of extinction.