Agraulis vanillae (Gulf Fritillary) ♀♂.
 
 
 
Size: approx. 70-90 mm. Photo: 08/14/11, 5 pm.


Agraulis vanillae or Gulf fritillary is a striking orange butterfly. According to Wikipedia the color is a type of Batesian mimicry (of the noxious tasting Monarch butterfly?). They are common in the Southern states. Adults nectar on lantana and other flowers. The photos show a mating pair.  
 


A short video is available on my YouTube channel.
 
wikipedia:
http://en.wikipedia.org/wiki/Gulf_Fritillary
bamona:
http://www.butterfliesandmoths.org/species/Agraulis-vanillae