I found this spider yesterday running across a sidewalk next to a canal,
it was bigger than a quarter and I think it was carrying an egg sack.
Does anybody know what kind of spider this is?
asked Jun 25, 2019 at 14:42
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3the body kind of reminds me of a wolf spider, but that depends on where you live– Jonathan E. LandrumJun 25, 2019 at 15:06
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Does look a lot like a wolf spider and they can get pretty big, be curious to see if someone can identify it for certain.– Nate WJun 25, 2019 at 19:45
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1 Answer
Definitely a wolf spider (i.e., family Lycosidae). Possibly Hogna frondicola or some closely related species.
Source: Spiderid.com
The white ball is an egg sac. From Wikipedia:
wolf spiders carry their egg sacs by attaching them to their spinnerets.
You can see similar pictures to your of wolf spiders carrying egg sacs here and here.
Source: Twitter
Spiderid.com suggests this species has been spotted in Colorado previously:
Hogna frondicola has also been sighted in the following states: Colorado, Maine, Montana.
answered Jun 28, 2019 at 3:38
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2Interesting that the pic in the original post and in this answer from @theforestecologist both show what seems to be a 7 legged spider... Jun 28, 2019 at 17:51