Thionia - Thionia bullata
Umstead State Park, Wake County, North Carolina, USA
July 25, 2013
Charles Bartlett notes: "The difference between bullata and elliptica are that eliptica has the vertex concave from frontal view and from dorsal view the vertex is wider than long (also is more robust). Bullata is flat vertex from frontal view and from dorsal view the vertex is slightly longer than wide."
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