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Comments & ID Thoughts
This was taken in South Florida, in a library, in the middle of starting to build a web (or just expelling web). I’ve looked around on the internet and the closest thing I could find that compared to this guy visually was a yellow sac spider. I’m not sure how common they are. The spider was about an inch long including legs. Thoughts? I apologize for the quality of the photo, it’s a screenshot from a video.
- Submitted by:
- Submitted: Feb 15, 2018
- Photographed: Feb 15, 2018
- Spider: Araneidae (Orb-weavers)
- Location: Boca Raton, Florida, United States
- Spotted Indoors: Other
- Found in web?: No
- Attributes: Dorsal
Help identify this spider
Aug 3, 2019
Aug 3, 2019
South Derbyshire, 
Hi, welcome to Spider ID. 🙂 I think the abdomen (spider’s butt) is too wide to be a Yellow Sac Spider (Cheiracanthium mildei). It might be an orb-weaver which would be an odd thing to find in a library. I can’t make much out here though.
How about a tropical orb weaver? The spider landed on me from the ceiling, and although it was inside a building it was very close to a window, so the spider could very well have gotten inside through a crack. I apologize again that the picture isn’t better quality. I wish I could attach the video because it is clearer there.
Yes, that is what I was thinking, my first thought was Eriophora ravilla (Tropical Orbweaver). But I can’t be sure of anything from this.