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Species   Papilio machaon

Papilio machaon aliaska

Scudder, 1869

Old World Swallowtail

Alaska, NW Canada

Papilio machaon hudsonianus

A. Clark, 1932

Old World Swallowtail

NE Canada (and far NE USA)

Papilio machaon pikei

Sperling, 1987

Old World Swallowtail

Peace River region, ALTA-BC

Papilio machaon oregonia

W. H. Edwards, 1876

'Oregon' Old World Swallowtail

Columbia Basin, NW USA

Papilio machaon dodi

McDunnough, 1939

'Baird's' Old World Swallowtail

northern Great Plains, Alberta
to NE Colorado

Papilio machaon bairdii

W. H. Edwards, 1866

'Baird's' Old World Swallowtail

southern Rocky Mountains to SE
California