Range
Mexico north to US border regions in TX, NM, perhaps AZ; south to at least Ecuador, also Martinique in the Lesser Antilles.
Season
Adults fly mainly in the autumn; caterpillars frequently observed during the summer.
See Also
Knudson and Bordelon note "A common species in the [Lower Rio Grande] valley and fairly common in southwestern Texas. There are five other similar species that may occur in the area occasionally, but this is the only one we have seen in the valley."