The young man Matt that came to take care of the ground bees and wasps was very professional. He kindly explained what type of ground bee wasps i had, they are very nasty critters. He talked to me through my front screen door as the bees were super active as he put the chemical in their nest, and he didnt want me to get stung. He had to come back a second time, as these buggers were still coming out of the nest after 2 weeks and we both were surprised that the bees looked as if they physically doubled in size.