Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1342888

Two-tailed Swallowtail
Papilio multicaudata

Observation date: September 04, 2022
Submitted by: Jon Kindschy
Specimen type: Photograph
Observation notes: None.
Status: Resident
Verified by: mikefisher
Verified date: October 02, 2022
Coordinator notes: Most likely the "mature" larva of the Two-tailed Swallowtail. The Western Tiger Swallowtail larva also changes to brown prior to pupation (they usually feed on Aspen in city areas; the TTSW uses most Green Ash and sometime plumb in residential areas). Mike
Checklist region(s): United States, Colorado, Larimer County