yes
It takes only 30 hornets to kill 30000 honeybees.
Yes, diatomaceous earth can effectively kill hornets by dehydrating them and causing them to die.
yes
Hornets don't normally nest in the ground. Yellow Jackets nest in the ground. You can kill them by pouring gasoline in the hole and running.
Yes, hornets have the ability to remember specific individuals, including humans, based on their previous interactions and experiences.
No, hornets do not have photographic memory in the way humans do. They have good memory for locations and patterns, but not photographic memory.
Yes. But not fatally to humans.
Burn it down.
Yes, they do. The feed their larvae on insects they capture.
Hornets should be killed with a very strong spray. Do not attempt to break the nest down as this will cause a swarm of angry hornets.
No, they can't kill humans.
only bumble bees but not wasps or yellow jackets or hornets