Like many other pests, the sign of a wasp infestation can be worrysome for many homeowners. Although they do provide benefits around your home, wasps can be aggressive and sting a subject multiple times. If you have a wasp infestation and are allergic to stings, it should be a priority to try to remove them quickly. (If you are allergic to bee stings and are stung by a wasp, consult your physician a.s.a.p.)