In Illinois, there are a myriad of different striped, flying pests that can plague your yard and threaten to sting you or your family members. In Algonquin in particular, the following are the most common ones you may come across and their levels of aggression:

• Honeybees (Low): Honeybees are  not innately aggressive and are far more interested in making honey than engaging with humans or other creatures. While they lack a sense of general aggression, they will attack if provoked – which usually occurs when they feel their home or colony members are threatened. 
• Bumblebees (Low): These fat, furry guys are typically considered the cutest, as well as friendliest bees. They are very docile creatures and, while they have the ability to sting, they very rarely become aggressive and attack.
• Paper Wasps (High): wasps can sting and bite multiple times (unlike honeybees).  They can become extremely aggressive and will attack with little provocation. 
• Hornets (Moderate – High): Hornets aren’t outright aggressive, but they can become incredibly vindictive, stinging and biting if they feel at all threatened. When they do attack, they are known for being vicious and rather unrelenting.
• Yellow Jackets (Very High): these are the most aggressive stingers on this list, and the most common culprits when it comes to being stung in your own backyard.. When they attack, yellow jackets tend to sting repeatedly with their venomous stingers, and will even bite their victims.