
Based on 1,679 research-grade iNaturalist observations in New Mexico, Two-tailed Swallowtail is most often recorded in July; in New Mexico it behaves like a summer visitor / breeder. It ranks #3 among butterflies recorded in the state in our data.
Papilio multicaudata
Two-tailed Swallowtail in New Mexico 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 New Mexico in July

Painted Lady
Checkered White

Taxiles Skipper

Variegated Fritillary

Weidemeyer's Admiral

Black Swallowtail

Juniper Hairstreak

Marine Blue
Places to look in New Mexico
Carson National Forest
Lincoln National Forest
Santa Fe National Forest
Fort Stanton
Gila National Forest
National ForestCibola National Forest
FAQ
When does Two-tailed Swallowtail appear in New Mexico?
Mainly April–August, with the most records in July.
How common is Two-tailed Swallowtail in New Mexico?
It ranks #3 by number of iNaturalist observations among butterflies in New Mexico (1,679 records in our sample).