Insect bites are puncture wounds or lacerations made by insects. An insect may bite when it is agitated and defends itself, or when it wants to feed. Insects typically inject formic acid, which can trigger a reaction, including redness, swelling, pain or itching. Fire ants, bees, wasps and hornets have a painful sting which can trigger a potentially dangerous allergic reaction (anaphylaxis) for some people. A wasp may either bite or sting. Bites from fleas, mites and mosquitoes tend to cause itching rather than pain. The rest of this article is about insect bites, not insect stings...
More...
More...