My usual approach is to collect the airborne foragers first, and then remove the nest at the end. This gives the returning wasps the visual feedback to fly to their usual entrance, where the vacuum captures them.
More photos of this year’s work:
My usual approach is to collect the airborne foragers first, and then remove the nest at the end. This gives the returning wasps the visual feedback to fly to their usual entrance, where the vacuum captures them.
More photos of this year’s work: