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Photo#582445
egg case, who's? - Argiope aurantia

egg case, who's? - Argiope aurantia
West Alexander, Washington County, Pennsylvania, USA
September 29, 2011
Size: 22mm diameter
I thought maybe praying mantis, but it is perfectly round, then I thought some spider? but it is so huge....

Moved
Moved from ID Request. See info on "hatching" .. In areas with a cold winter, the eggs of this species hatch in the late summer or autumn, but the hatchling spiders become dormant and do not leave the egg sack until the following spring. Hatchlings generally resemble small adults, there are no major changes in anatomy or structure as they grow (except the development of reproductive organs). (Dewey, 1993) I copied that from this site.

 
thanks
I actually did go and look up info on their eggs... can't wait til spring now... there are a whole bunch of these in this field.. thanks..

egg sac
Looks like it might be - an egg sac of Black and Yellow Argiope (Argiope aurantia)

 
omg
that's fantastic! there are tons of those out in this field... just tons.. thanks! so they will not hatch til next year?

also
there were several of them throughout the large field.

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