These products spray an insecticide jet up to 10 to 12 feet. Treat nests in the ground with an insecticide dust. A few puffs of dust into the nest opening usually kills wasps within 24 hours. Use a household hand duster. Cover with moist soil after the treatment to prevent the wasps from escaping.
Many people confuse bees with wasps.
Although related, they are not the same. Bees feed pollen and nectar to their young. Wasps feed insects to their young. Bees are beneficial insects that pollinate fruit trees and other plants. Without bees, many plants would bear no fruit.