Jun20
Canadian Tiger
Canadian Tiger Swallowtail (Papilio canadensis) is one the largest butterflies of Alaska measuring 7-8 cm. It also happens to be quite abundant around Fairbanks. Yesterday, I saw more than 50 of them on a bike ride along Cache Creek Road at the foothill of Murphy Dome. Canadian Tiger live in deciduous and evergreen-deciduous woods and forest edges. They are usually more common and found at lower altitudes than Alaska’s other swallowtail, Old World Swallowtail (Papilio machaon aliaska) that I still need to spot.
Canadian Tiger overwinter in Alaska as a chrysalis (pupa or cocoon). At the end of the summer the caterpillar wraps itself in its own silk and begins the chrysalis stage. It remains as a chrysalid during the winter and metamorphoses in the spring into an adult butterfly. Read more about butterflies of Alaska here and here.

