Callopistria floridensis - Hodges#9630
(Florida Fern Moth).
Size: approx. 10 mm. Photo: 09/18/14, 9 pm.

In North America, the Florida Fern Moth is one out of six species in the genus Callopistria. Its range is not limited to Florida but extends across the entire eastern half of the country. 
bug guide (this photo):