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Spinybacked Orbweaver? - Gasteracantha cancriformis

Spinybacked Orbweaver? - Gasteracantha cancriformis
Tallahassee, Leon County, Florida, USA
August 28, 2011
Size: approx. 8 mm
12n in my yard. Is this Gasteracantha cancriformis? It looks a little bit different from the photos posted here. The backside was black.

Moved from ID Request.

There is only one species in the genus. Individuals vary somewhat: .

Thank you!
One can hardly discern the projections 5 and 6 and the white area is much smaller ... So many thanks for the confirmation.

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