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Ask Marilyn: Should You Share Your House With Spiders?
Paul Baker of Wilmington, Massachusetts, writes:
Marilyn: How beneficial are spiders in one's home? I frequently see spiders and webs in various parts of my house, but I hesitate to destroy them because I know they prey on other insects. On the other hand, I experienced a spider bite while sleeping in my bed.
Spiders are considered generally beneficial inside the house, but they have two strikes against them: a few spiders that may be found indoors have venom that is toxic to humans, and the harmless spiders—the great majority—aren't exactly popular, regardless. Here's how I personally see this question: If I had no spiders around the house, would I want to gather a bunch of helpful spiders and seed all the rooms with them? No! If I had bug problems, I would much rather go after them directly instead of hiring spiders to do the work.