Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Spring 2021 gathering in Louisiana, April 28-May 2. Here's how to add your images.

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama


Species Papilio canadensis - Canadian Tiger Swallowtail - Hodges#4183.2

Canadian Tiger Swallowtail, heavily patterned female, 1:22pm - Papilio canadensis - female Canadian Tiger Swallowtail - Papilio canadensis - male Tiger Swallowtail - Papilio canadensis swallowtail caterpillar? - Papilio canadensis Papilio canadensis freshly emerged Eastern Tiger Swallowtail? - Papilio canadensis Perhaps - Papilio canadensis (Canadian Tiger Swallowtail) ? - Papilio canadensis swallowtail - Papilio canadensis
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Papilionoidea (Butterflies and Skippers)
Family Papilionidae (Swallowtails, Parnassians)
Subfamily Papilioninae
Tribe Papilionini (Fluted Swallowtails)
Genus Papilio
Species canadensis (Canadian Tiger Swallowtail - Hodges#4183.2)
Hodges Number
Synonyms and other taxonomic changes
formerly considered a subspecies of the Eastern Tiger Swallowtail (P. glaucus); given full species status by Hagen et al (1991), and others, based on detailed physiological and genetic characteristics.
Pterourus canadensis--sometimes this and related species are split out from Papilio.
wingspan 53-90 mm
adult: inner margin of hindwing has wide black stripe (whereas the otherwise similar - though larger - Eastern Tiger Swallowtail has a thin black stripe in that area). Compare images.
larva: mature larvae are dark green, with two spots that look like eyes on the swollen section of the body behind the head; this creates a snake-like profile. Immature larvae are brown and white, resembling bird droppings (CBIF)
northern US, Alaska, and every province and territory of Canada, north to the tundra
mainly open woodlands and adjacent areas in the south but also in urban and suburban yards and gardens
north of the treeline, found in the vicinity of dwarf willow and other shrubs
adults fly from May to July
larvae feed on a wide variety of plants, including ash, cherry, poplar, and willow
Life Cycle
one generation per year
See Also
Eastern Tiger Swallowtail: BugGuide, CBIF
Western Tiger Swallowtail: BugGuide, CBIF
Internet References
pinned adult images plus description, distribution, biology, etc. (Canadian Biodiversity Information Facility)
pinned adult images plus US distribution map and other info (Butterflies and Skippers of North America;