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Photo#1413314
Spined Micrathena - Micrathena gracilis - female

Spined Micrathena - Micrathena gracilis - Female
Montgomery County, Ohio, USA
July 29, 2017
Size: 11-12mm
11-12mm from head to furthest tip of abdomen. No sight of an orb web nearby- it's just been hanging out on this plant all day.

Larger photo here.