Acadia National Park Butterfly Guide 🦋

Color: Smaller than Eastern or Western Tiger Swallowtails. Upperside of forewing with relatively broad black stripes; underside with marginal yellow spots merged into continuous band. Hindwing with numerous orange scales. Extremely rare black female form.
Wingspan: 2 5/8 - 3 1/8 inches (6.7 - 8 cm)
Host plants: Leaves of birch (Betula), aspen (Populus), and black cherry (Prunus).
Overwintering stage: chrysalis
Mate-Location system: patrolling
Flight: May to mid-July

https://www.butterfliesandmoths.org/species/Papilio-canadensis less ↑

Color: Upper surface of wings mostly black; on inner edge of hindwing is a black spot centered in larger orange spot. Male has yellow band near edge of wings; female has row of yellow spots. Female hindwing with iridescent blue band. In the Southwest, yellow forms predominate in the subspecies P. coloro.
Wingspan: 3 1/4 - 4 1/4 inches (8 - 11 cm)
Host plants: Leaves of plants in the parsley family (Apiaceae) including Queen Anne's Lace, carrot, celery and dill. Sometimes plants in the citrus family (Rutaceae).
Adult food: Nectar from flowers including red clover, milkweed, and thistles.
Overwintering stage: chrysalis
Mate-Location system: perching and patrolling
Flight: 1-2 flights from April-October in northern regions of range; 3 flights in southern regions.

https://www.butterfliesandmoths.org/species/Papilio-polyxenes less ↑