Synonyms and other taxonomic changes
Virbia
Numbers
Nearctica.com lists 12 North American species.
Size
wingspan 18-28 mm, based on numerous photos by Jim Vargo at MPG
Identification
Most adults are yellowish above on forewings, with bright hindwings, a typical startling pattern. H. laeta is striking dark brown/black with pink hindwings.
Range
includes eastern North America
Habitat
fields, open areas with hostplant; come to lights at night, but also found flying in daytime
Food
Larvae probably feed on various herbs. Can be reared on dandelion, plantain.
Internet References
pinned adult images of 9 species and photos of related species by Jim Vargo (Moth Photographers Group)
adult
H. aurantiaca and
H. opella (Larry Line, Maryland)
North Carolina State University Entomology Collection lists for that state:
ferruginosa, nigricans, opella, rubicundaria 
