Art was great in responding and explaining the situation and what he would do. He came next day, brought down the hornest nest and told me that he would come back for a second treatment in 10-14 days. So far, bees have left their attempts to rebuild the nest after 2 days of trying. We are very happy at this time and the fact that he has given warranty for 6 months for further treatments should the bees come back is a very assuring statement.