What are the different reactions to wasp, hornet, and bee stings?

See below: Most commonly there is redness, swelling, and warmth at the bite site. The area may also be itchy. And, the size of the involved area tends to increase during the first one to two days. Some people can have very significant swelling, and/or develop an anaphylactic reaction with trouble breathing.

Hornet is a wasp.: Sting symptoms may include pain, itching, swelling, redness ; tenderness of the affected area. Severe allergic reactions may present with swelling of tongue, mouth, lips or throat; difficulty swallowing ; breathing, wheezing, tightness of the chest, hives, generalized weakness, confusion ; slurring of speech.