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The cost of removing a hornets nest ranges from $300 to $400, depending on the size and location of the active nest. Bald-faced hornet removal costs more than the average—about $625 to $750. The price tag also depends on the eradication method, ranging from aerosol sprays and dusting to vacuuming and extermination.

Any tree that emits a sap or resin can attract yellow jackets. They are particularly attracted to the tree of heaven (Ailanthus altissima), which emits a sweet sap that both yellow jackets and spotted lanternflies love.

Yes. Cellar spiders are predatory and feed on other insects, including other spiders. They eat flies, mosquitos, gnats, moths, and larger prey. That larger prey includes venomous spiders like the brown recluse and the black widow.  Basically, a cellar spider is pretty brave and will feed on anything that gets into its web, no matter the size.

It can be difficult to know what type of animal is in your attic until you see it. But several clues can help you narrow down the suspects:

• Sounds: Smaller animals like rats and mice make scurrying and tapping/gnawing sounds. Larger animals like raccoons and opossums make louder clambering noises. Also, note when animals are noisy: Squirrels are active during the day, while rats are busiest at night.

• Droppings: Rats and mice leave small, rice-shaped droppings (the rat’s version is significantly larger). Bigger droppings belong to larger critters like raccoons. As long as you’re not squeamish, an image search can help you identify what you’re seeing in your attic.

When in doubt, take photos of damage or other evidence and show them to an experienced pest control pro.