Knowledgebase

Would like to know what makes these tracks #878646

Asked July 24, 2024, 6:57 PM EDT

I saw these tracks under my travel trailer that I live full-time in and am wondering what it could be? The body appears to be about the size of a 50 cent piece if not a bit bigger! My trailer is fully skirted and sits on a cement pad. The prints are in dust on top of extra foam board I stored under the trailer. Please help identify as I need to go under there but very concerned of whatever this is making these tracks!!!

Deschutes County Oregon

Expert Response

Hi Caprice,
That is an interesting question. While I identify invertebrate specimens all the time, I have to admit that I have never paid attention to tracks they might make.
That being said, I think those may be spider tracks. Here is a photo of a spider that had made some tracks in sand and the tracks look similar to what you found...
In particular, in your photo and the one above, you can see the imprints of 8 legs off to the side of the body.

Hope that helps!
Bill Gerth Replied July 25, 2024, 6:42 PM EDT
Looks like the photo link I pasted in my response yesterday did not stay pasted in. Try this one instead...
https://images.app.goo.gl/YRPL46DHiVmR3ngMA
Bill Gerth Replied July 26, 2024, 9:47 AM EDT

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