Actias luna, commonly known as the Luna Moth, is a lime-green, Nearctic Saturniid moth in the family Saturniidae, subfamily Saturniinae. It has a wingspan of up to 4.5 inches [114mm], making it one of the largest moths in North America.
This moth is found in North America from east of the Great Plains in the United States to northern Mexico and from Saskatchewan eastward through central Quebec to Nova Scotia in Canada. There have been sightings as far south as central Florida.
Photo: Cecil B. Day Butterfly Center, Callaway Gardens, GA.