Turning Up the Heat

Left: Tethered Asian Hornet
Right: Japanese Bees Form Heat Ball Around Hornet
Image: Ugajin & Colleagues*

Japanese honeybees, Apis cerana japonica, can be attacked by Asian Hornets that raid hives to prey on larvae and pupae. The Asian Hornet has a rigid cuticle that is not penetrated by bee stingers. How is a bee to defend against this threat?

Japanese bees will swarm a hornet and form an attack ball. The bees beat their wing muscles to generate heat. The temperature inside the ball quickly…

Source: Living With Insects Blog

Leave a Reply

Your email address will not be published. Required fields are marked *

By continuing to use the site, you agree to the use of cookies. more information

The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.

Close