Butterflies and moths belong to the order Lepidoptera (from Greek lepidos: scale and pteron: wing), of the class Insecta.

Pipevine Swallowtail, Wildacres, NC April 28, 2012 

 Painted Lady, Wildacres, NC, April 28, 2012

Eastern Tiger Swallowtail, male, Ashmore Heritage Preserve, SC 

Pearl Crescent (Phiciodes tharos), Little Switzerland, NC

Zebra Swallowtail (Eurytides marcellus), Ashmore Heritage Preserve, SC

Monarch, Seabrook Island, SC October 2011

Great Spangled Fritillary, Little Switzerland, NC

Gulf Fritillary, Seabrook Island, SC October 2011

Red-Spotted Purple (Limenitis arthemis), Ashmore Heritage Preserve, SC

Red Admiral (Vanessa atalanta), Ashmore Heritage Preserve, SC April 14, 2012

Eastern Tiger Swallowtail (Papilo polyxenes), female dark-phase, Wildacres, NC

Question Mark (Polygonia interrogationis), Ashmore Heritage Preserve, SC May 4, 2012

Red-banded Hairstreak (Calycopis cecrops), Ashmore Heritage Preserve, SC April 14, 2012

Orange Sulfur (Colias eurytheme), female?

(?) Mexican Cloudywing Skipper, Teotihuacan, Mexico 

Unidentified Skipper, Little Switzerland, NC

Long-tailed Skipper (Urbanus proteus), Seabrook Island, SC October 2011

Isabella Tiger Moth (Pyrrharctia isabella), Little Switzerland, NC

Luna Moth (Actias luna), Hinsdale, MA June 2008

Luna Moth (Actias luna), Ashmore Heritage Preserve, SC May 2009

Common White Wave Moth (Cabera pusaria), Wildacres, NC

Unidentified Sphinx Moth, Hindsdale, MA June 2008

Unidentified Sphinx Moth (Ceratomia undulosa?) Caterpillar, Ashmore Heritage Preserve, SC May 4, 2012 

Echo Moth (Seirarctica echo), Faver-Dykes State Park, FL, May 2010