Agraulis vanillae (Gulf Fritillary) ♀♂.
| 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.