Most wasps live less than one year and some only live for a few months. Stinging insects like bees, hornets and wasps send more than 500,000 people to the emergency room each year. Common home remedies for stings include coating the sting site with a meat tenderizer/water solution rinse, baking soda paste or even rubbing the site with an aluminum based deodorant. There are 4,000 kinds of wasps in the United States. Typically, wasps are most active during the day and usually return to their nests at dusk. These pests are often seen flying around during the second half of summer and early fall when the colonies search for food that will sustain their queens during the winter.