Picture ID 160887

Picture of unidentified spider

Comments & ID Thoughts

This spider took up residence in my bathroom, and built her web on my trashcan. I've since had to move her, because she liked to hide under the pedal which opened the lid and I didn't want her to get squished!

My bathroom is quite bug-free and she really wouldn't have stayed/survived here for very long if I hadn't been feeding her. I've relocated her to a box, which she seems to like, and I feed her ants.

She isn't too big, probably could fit on the tip of my thumb, and has a very interesting web design! Her web is pretty basic, very fine and not super well knit, and it's a bit hard for me to drop food into it for her because it sometimes falls right through the cracks. One interesting thing I've noticed is how she seems to make anchor points on the ground, which prey will sometimes run into and get stuck, and then she will grab the line and pull it up to her main web, like she's fishing! She also seems to be quite clean, and will clear her web of the prey remains when she's done with them by dropping them on the ground below the web.

For anyone wondering, I've taken to calling her Miss Ma'am! (Sometimes just Miss and sometimes just Ma'am). I'd love to know what she is so I could find out more about her species. Thank you!

  • Submitted by: 
  • Submitted: Aug 3, 2022
  • Photographed: Jun 13, 2022
  • Spider: Unidentified
  • Location: Indiana, United States
  • Spotted Indoors: Other
  • Found in web?: Yes
  • Attributes:
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I’m not an expert but I think what you have here is a very pretty little steatoda triangulosa..https://bugguide.net/node/view/2110906


I agree with .

On a side note, how many ants have you fed her? When keeping these in the past I’ve found that they’ll pass on ants a majority of the time.


Cool! Few animals eat ants. They don’t taste good. That’s what I read, not personal experience. Yesterday I saw a S. triangulosa with a ant as prey. My neighbors have big problems with ants in their houses. I have no ants at all and I think I have my free-range spiders to thank for it. 🙂 That’s interesting about the fishing behavior. I’ll watch for that. My husband lets the insect corpses pile up under the spiders like spider trophies.


Thanks for the tip! Yes Pillbugs are nice slow-moving feeder insects, I didn’t know my Steatoda would eat them. It’s interesting to feed grasshoppers to Grass Spiders in late Summer when the sheet webs are around. Watch how they can’t jump because the web isn’t taught enough and too slippery. The webs are slippery funnels, not sticky. I had too much entertainment feeding ants to antlions when I was a kid!