Papilio Ajax from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Spicebush Swallowtail Papilio Troilus from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
A Swallowtail Butterfly seeks nectar from a butterfly bush; Astoria, Oregon, United States of America PacificStock
Black Swallowtail Papilio Asterias from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Eastern Tiger Swallowtail Papilio Turnus from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Metamorphosis of Papilio Butterfly from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Blue Swallowtail Papilio Philenor from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
A swallowtail butterfly seeks nectar on a butterfly bush; Astoria, Oregon, United States of America PacificStock
Giant Swallowtail Papilio Cresphontes from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Giant Swallowtail Papilio Cresphontes from Moths and butterflies of the United States 1900 by Sherman F. Denton 1856-1937. IStockHistory com
Eastern tiger swallowtail (Papilio glaucus) butterfly resting on flowers; Ontario, Canada PacificStock