Killer Hornets. An invasive hornet species slaughters honeybees, can be deadly to humans and - unfortunately - has been spotted in the United States. Giant Asian killer hornets spotted in northwest United States.
So-called 'murder hornets', with a sting that can be deadly to some humans, are emerging from hibernation. Hornets are least active at night, and most of the workers return to the nest after dusk. The Asian giant hornet, Vespa mandarinia, has been known to kill.
Watch the battle unfold as these huge hornets risk their.
Wasps are generally harmless when they are left alone, undisturbed.
Thomas Brown/Flickr Watch these Japanese honey bees fight back, in the clip below, by luring a murder hornet into their hive, then swarming it. The Asian giant hornet, Vespa mandarinia, has been known to kill. Plus, store-bought insecticides are highly toxic for humans, pets, and plants alike..