
Based on 1,681 research-grade iNaturalist observations in Arizona, Two-tailed Swallowtail is most often recorded in August; in Arizona it behaves like a summer visitor / breeder. It ranks #24 among butterflies recorded in the state in our data.
Papilio multicaudata
Two-tailed Swallowtail in Arizona by month
Bars show research-grade observations per month. They mix true seasonality with how often people are outdoors, so treat small numbers with caution.
Also seen in Arizona in August

Queen

Pipevine Swallowtail

American Snout
Bordered Patch
Ceraunus Blue

Painted Lady
Sleepy Orange

Arizona Sister
Places to look in Arizona
Desert Botanical Garden
Coronado National Forest
Boyce Thompson Arboretum
Tonto National Forest
Yuma Territorial Prison
Apache–Sitgreaves National Forests
FAQ
When does Two-tailed Swallowtail appear in Arizona?
Mainly June–September, with the most records in August.
How common is Two-tailed Swallowtail in Arizona?
It ranks #24 by number of iNaturalist observations among butterflies in Arizona (1,681 records in our sample).