Synonyms and other taxonomic changes
placed in genus Abaeis
, as per the classification of Opler and Warren
(see discussion here
Explanation of Names
Common name "sleepy" refers to relatively slow flight.
A medium-sized Pierid with a rather slow flight, usually close to the ground. Upperside of wings flash a lovely burnt orange. Underside of wings have variable markings: in winter form, underside of hindwing is brick red, brown, or tan; in summer form it is orange-yellow. Diagonal brown markings on underside of hindwings are distinguishable in all variations.
Central America through southern United States. Common in southeastern United States. Irruptive late in season farther north.
Open areas, old fields with nectar and/or hostplants.
All year in southern parts of range, mid-summer to fall further north.
Larvae feed on Cassia
species (most former species of Cassia
are now placed in Senna
). In southeastern United States, the host is often Java-bean
, also known as Sicklepod (Senna obtusifolia
Adults take nectar from a variety of flowers, such as goldenrod (Solidago spp.).
Will Cook's account
, with excellent photos of seasonal forms