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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » Unidentified Spider Egg Sacs, Webs, Retreats, and Droppings
Photo#628471
Unknown Egg sac
Copyright © 2012 Eileen

Unknown Egg sac
near the Pacolet River in a wooded area., Spartanburg County, South Carolina, USA
April 10, 2012
Size: 3/4'
It was in soft dirt beside an old dead stump, and it is quite soft itself. Looks and feels like some kind of fiber...like a dryer sheet. It must be some kind of egg sac, don't you think? I have other images of it. One that shows where it looks glued together on the edges.
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Contributed by Eileen on 10 April, 2012 - 1:45pm
Last updated 17 April, 2012 - 2:06pm

Moved
Moved from ID Request.
… Lynette Elliott, 17 April, 2012 - 9:22am login or register to post comments

Just guessing here...
... but what about a wolf spider egg sac ? The females carry them around, and I suppose this one could have become separated from the mother. I do remember reading that they can sometimes be a bluish color.
… Carmen Champagne, 10 April, 2012 - 4:29pm login or register to post comments

 
Maybe
but that egg sac looks pretty large. Most wolf spider egg sacs aren't very big. If it's a wolf spider egg sac I'd guess it's one from a large species... maybe something in the Hogna genus.

Does your egg have edges like this one?
… Lynette Elliott, 11 April, 2012 - 9:22am login or register to post comments

 
How about Dolomedes?
According to (1) (sorry, I don't remember where the info originally came from), Pisaurina egg sacs are a bit more than 1 cm across, and Dolomedes egg sacs are about 2 cm [=3/4", which is the size given for this one].
… Charley Eiseman, 11 April, 2012 - 3:38pm login or register to post comments

 
Dolomedes
Yes, the egg sac does appear to be round. I think the wolf spider egg sacs are more of a flattened round shape. Dolomedes is certainly a good candidate both in size & shape.
… Lynette Elliott, 11 April, 2012 - 3:47pm login or register to post comments

 
egg sac
The egg sac is flattened round shape and about 3/4 inch and I'm sorry I don't know metric. I need to learn it, one is never too old to learn. Eileen
… Eileen, 11 April, 2012 - 10:31pm login or register to post comments

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