Summary ²

The Two-tailed Swallowtail with a wingspan of 86 - 130 mm, is among the largest of western butterflies. It ranges from the Dakotas to Southeastern British Columbia south through Texas, Baja California and Mexico to Guatemala, utilizing a variety of habitats including midlevel mountains, foothills, canyons, moist valleys and stream sides. Caterpillar hosts include leaves of ash, hop tree, and chokecherry. In the North, adults fly from May to August.

Sources and Credits

1. (c) Bob Chinn, all rights reserved, uploaded by Bob Chinn
2. (c) Bob Chinn, some rights reserved (CC BY-SA)

More Info

• iNat taxon page
• Animal Diversity Web
• Biodiversity Heritage Library
• BOLD Systems BIN search
• BugGuide
• Butterflies and Moths of North America
• CalPhotos
• CUIC Insect Images
• Enciclovida Mariposa cometa Xochiquetzal (Pterorus multicaudata)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• Moth Photographers Group
• NatureServe Explorer 2.0
• Pacific Northwest Moths
• Wikipedia

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