Picture ID 119300

Picture of unidentified spider

Comments & ID Thoughts

Is this a nest she is guarding?

  • Submitted by: 
  • Submitted: Aug 6, 2020
  • Photographed: Aug 5, 2020
  • Spider: Unidentified
  • Location: North Bay, Ontario, Canada
  • Spotted Outdoors: Man-made structure (building wall, fences, etc.)
  • Found in web?: No
  • Attributes:
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Yes, I think it must be. Female Dolomedes spiders carry their egg sacs for a while, then build a “nursery web” and hang the sac up in it before the babies hatch. They are very protective mothers and may try to frighten you away if you get too close. Here are a couple of BugGuide.net sightings of Dolomedes mothers, with additional info in the comments:

Guarding spiderlings:

Carrying egg sac: