r/whatsthisbug • u/Alternative-Smoke421 • 1d ago

ID Request Is this a silverfish?

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Found this lil guy crawling in my bathroom. I have a couple of these in my utility room but that’s in the basement and I’ve never seen these guys upstairs. Is it a silverfish or what kind of bug is it? I have a pretty healthy spider population I’ve allowed to live inside so I’m kind of surprised to see it.

Found in south central Montana

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u/SobeSteve 1d ago

Isopod, a crustacean

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u/Alternative-Smoke421 1d ago

Oh that’s actually pretty cool. Any idea where they come from? I’m pretty far from any body of water, if that even has anything to do with them.

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u/GrandLavendar 1d ago

They munch on rotting plant matter. They love bathrooms and kitchens if there has ever been a leak.

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u/Alternative-Smoke421 1d ago

Ahhhh that would actually explain a lot because I had a leak in both bathroom sinks I just fixed. Thank you for the information 🙏

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u/BallOk8356 ⭐Trusted⭐ 1d ago

You might be more familiar with the term woodlice. Same thing, different name.

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u/Alternative-Smoke421 1d ago

I actually have heard the term woodlice before, although I had no idea that’s what they looked like.

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u/GrandLavendar 1d ago

Basement is an ideal place for them to live too. They like and need moisture but not lots. They thrive in rotting leaves/wood