Eradicating wasps from your home is a tricky business. While wasps only sting when they feel threatened, it does not mean they will not attack when you get too close, however innocuous. Besides, most wasp species are social insects that live in large colonies. Typically, wasps build their nests on the ground, on trees, under eves and between walls. If you find one in or around your house, you must call pest control services.