Wasps, hornets and bees, although beneficial in many ways, can be a real annoyance to home and business owners in Toronto. They build large nests, can potentially harm people and contribute to an enormous amount of paranoia. These pest insects pose the largest threat to children, who may be unaware of the danger associated with direct confrontation. Especially during the warmer months in Toronto, wasp and hornet stings are extremely common and can cause significant discomfort. A small percentage of individuals that are stung by these insects develop widespread symptoms called large local reactions. This causes a great deal pain and discomfort, and therefore, the best way to prevent such an occurrence is to entirely avoid these pests.