The Zebra Swallowtail (Eurytides marcellus) is a North American butterfly.

The Mexican Fritillary (Euptoieta hegesia) is a North and South American butterfly.

Niche conservatism and the richness gradient of North American butterflies.

It is perhaps the best known of all North American butterflies.

The Pink-edged sulphur (Colias interior) is a species of North American butterfly in the Pieridae family.

The Acmon Blue (Plebejus acmon) is a North American butterfly.

The Butterfly Zone features 35 species of native North American butterflies and moths.

M. heliconiaria, for instance, a nocturnal Central American butterfly, dives, sputters, darts and swoops, all to avoid becoming a bat's dinner.

Descriptions of new American butterflies 1902.

The Question Mark (Polygonia interrogationis) is a North American nymphalid butterfly.