How to gather wasps in one place This method works by exploiting how wasps defend and communicate around their nest. When a container is placed over a nest and lightly tapped, the vibrations signal a disturbance, triggering guard wasps to rush toward the source. Wasps naturally move upward toward light and enclosed spaces when alarmed, so they enter the container rather than dispersing. As more wasps respond, chemical alarm signals released by the first few attract others from the nest, concentr