It should be a foaming insecticide like Ortho Home Defense Hornet and Wasp Killer which can spray up to 20 feet, keeping you out of harm's way. When you're dealing with a nest and not just ...

and they won’t return to the nest again. If you need to kill the colony, hire a professional or use a hornet spray. Spray the nest. Use a wasp and hornet aerosol spray with a jet spray of 10 to ...