| Common Name: | Butterfly, Old World Swallowtail | | Scientific Name: | Papilio machaon | | Family: | Papilionidae (Swallowtails) | | Area: | Big Indian Canyon - Steens Mountain, Oregon | | Date: | July 4, 2003 | 
| | Reference: | Butterflies through Binoculars by Glassberg | | Link: | Trip Journal Entry |
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