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The purpose of a wasp is as a predator to maintain balance in ecosystems. Wasps prey on many insects, including other wasps, spiders, caterpillars, flies, beetles, and more. Without wasps, these insects may become overpopulated. Some wasps also help pollinate, which can be beneficial to your garden.

This depends on if their needs are being met. They'll likely return night after night if they have access to food, water, and adequate shelter. If this changes, they’ll look for another roosting spot. This is why bright lights and other dissuading factors often work when removing bats from a property.

Squash bugs only see one generation per year, but that doesn’t mean they won’t return. These persistent pests overwinter in garden debris, under leaves, and in nearby structures, emerging in the spring ready to start the cycle again. Without proper cleanup and preventative measures, you can expect squash bugs to come back each growing season, especially if you’ve had issues with them in the past.

There’s no easy way to calm down swarming wasps, especially if they are already agitated. Stay far away and wait for them to settle down to avoid injury. If you’re attempting to DIY kill a very small wasp nest, wait until night to apply wasp spray, as they are calmest and most docile when it’s dark.