Synonyms and other taxonomic changes
Eurema nicippe
placed in genus
Abaeis, as per the classification of
Opler and Warren and
All-Leps (see discussion
here)
Explanation of Names
Common name "sleepy" refers to relatively slow flight.
Identification
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.
Range
Central America through southern United States. Common in southeastern United States. Irruptive late in season farther north.
Habitat
Open areas, old fields with nectar and/or hostplants.
Season
All year in southern parts of range, mid-summer to fall further north.
Food
Larvae feed on
Cassia or
Senna 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.).
Internet References
Will Cook's account, with excellent photos of seasonal forms