Asterocampa

Asterocampa, commonly called hackberry butterflies or American emperors, is a genus of butterflies in the family Nymphalidae found mainly in North and Central America and the Caribbean.

Species
The celtis species group:
 * Asterocampa celtis (Boisduval & Le Conte, 1835) – hackberry emperor
 * Asterocampa leilia (Edwards, 1874) – Empress Leilia or desert hackberry

The clyton species group:
 * Asterocampa clyton (Boisduval & Le Conte, 1835) – tawny emperor
 * Asterocampa idyja (Geyer, 1828) – dusky emperor