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 Asterocampa celtis Hackberry Emperor

Forewing with spots on costal margin, not two black bands; a single large black spot along the outer margin of the forewing.

 Asterocampa clyton Tawny Emperor

Forewing with two black bars along costal margin; outer margin of forewing without black eye spots.

 Asterocampa idyja Dusky Emperor

Forewing with a conspicuous yellow to white band.

 Asterocampa leilia Empress Leilia

Forewing with two black bars along costal margin; outer margin of forewing with two conspicuous black spots.