Because of the venom that has been injected in your skin.
yes it does like a bee sting
I would put ice on it for awhile and then put anti-itch cream on it and cover up with a bandage.
Ice is great for bee stings. Ice will relieve the pain, reduce the swelling, and slow down the venom of a bee sting. You can also place a damp tea bag over the sting for ten minutes, as the acid in the tea helps relieve and soothe the sting. You can apply hydro-cortisone cream to relieve the itching.
The nature of the bee and wasp sting is that they are usually inflammatory and acidic.
Bumble bees are bees. If they sting, it is a bee sting. Robber flies can bite humans. It is not similar to a bee sting.
yes
It can't. A drone (male bee) cannot sting.
A bee sting will start hurting immediately.
A bee does not sting itself, but a wasp sometimes will. Bees will sting other bees if they are fighting.
A bee's sting is in the tip of the abdomen. In order to sting the bee (which will be standing on its victim) will bend its abdomen down, extend the sting and thrust.
A bee sting injects formic acid, which is considered a weak acid. It can cause pain and irritation at the site of the sting.
According to the link, below, the major chemical in a honey bee sting is "melittin".