There are several different theories about why wasps flick their wings, but no one knows for sure.
If spiders will sometimes eat wasps, and wasps will sometimes eat spiders, then what do spider wasps eat?
Sometimes it seems like wasps will chase you to the ends of the earth, but are they doing so out of spite?
No one wants to get stung. To remove a wasp nest safely, you'll need to pick the right time.