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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Antmimics and Ground Sac Spiders (Corinnidae) » egg sac
Photo#1054197
lenticular spider egg case
Copyright © 2015 ophis

lenticular spider egg case
Hyde Park, Suffolk County, Massachusetts, USA
April 8, 2015
Size: 13 mm diam
Under bark of downed hardwood limb in young woods. Pulled free on one side. Pale orange eggs about .7 mm diam. Larger image.
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Contributed by ophis on 9 April, 2015 - 10:59am
Last updated 16 March, 2023 - 10:04am

Moved
Moved from Unidentified Spider Egg Sacs, Webs, Retreats, and Droppings.
… Laura P., 30 June, 2017 - 10:25am login or register to post comments

Similar to Castianeira longipalpa egg case?
I watched her make this one inside of a vial, it was quite fascinating-



This is the side against the vial, the other side looked a lot like yours. I imagine other spiders make a similar case though. I had pulled the lower left edge away from the vial, it was circular.
… John Rosenfeld, 9 April, 2015 - 4:12pm login or register to post comments

 
re: similar
Looks almost the same, including egg color and the circular seam near the outer border. But there are BugGuide photos attributing similar cases to Gnaphosidae as well as Corinnidae, like for instance this:

… ophis, 9 April, 2015 - 8:01pm login or register to post comments

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