Pale Swallowtail
Papilio eurymedon Lucas, 1852
Family: Papilionidae
Subfamily: Papilioninae
Identification: Upper surface of wings creamy white with black stripes. Front wing is narrow and pointed; tail of hindwing is long, slender and twisted.
Wing Span: 2 1/2 - 3 1/2 inches (6.4 - 9 cm).
Life History: Males perch and patrol for receptive females. Females lay eggs singly on host plant leaves. Caterpillars feed on leaves and rest on silken mats in shelters of curled leaves. Pupae hibernate.
Flight: One flight from April-July, many flights in southern California from March-August.
Caterpillar Hosts: Trees and shrubs in the Rosaceae, Rhamnaceae and Betulaceae families including cherry (Prunus emarginata), coffee-berry (Rhamnus californica), and ash (Fraxinus spp.).
Adult Food: Flower nectar including California buckeye, yerba santa, and wallflower.
Habitat: Foothills, open woodlands, chaparral, streamsides.
Range: British Columbia east to Montana, south to New Mexico. California and Baja California.
Conservation: Not usually required.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None noted.
Comments: NULL
Verified Sightings
Displaying 1 - 24 of 717 verified sightings
Observation date: May 13, 2019
Submitted by: Zach Eckert
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: May 15, 2019
Observation date: Mar 18, 2019
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Mar 19, 2019
Observation date: Jun 18, 2018
Submitted by: Zach Eckert
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: Jan 29, 2019
Observation date: May 30, 2018
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jun 17, 2018
Submitted by: Laur52
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jul 06, 2018
Submitted by: RobertWeeden
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Jun 29, 2018
Submitted by: TripleJranchAG
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Nov 11, 2018
Observation date: Jun 07, 2014
Submitted by: mbalame99
Region: Clatsop County, Oregon, United States
Verified by: Ken Davenport
Verified date: Oct 13, 2018
Observation date: Aug 04, 2018
Submitted by: TracieHall
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Oct 09, 2018
Observation date: Aug 04, 2018
Submitted by: TracieHall
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Oct 09, 2018
Observation date: Jun 08, 2018
Submitted by: magnolyah
Region: Boulder County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 28, 2018
Observation date: Jul 18, 2018
Submitted by: sgguthart
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 17, 2018
Observation date: Jul 07, 2018
Submitted by: randimal
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 11, 2018
Observation date: May 27, 2005
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Aug 03, 2018
Observation date: Jul 15, 2018
Submitted by: Team Kweeper
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Aug 02, 2018
Observation date: Jul 07, 2018
Submitted by: Team Kweeper
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Jul 31, 2018
Observation date: Jun 28, 2017
Submitted by: Team Kweeper
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 25, 2018
Observation date: Jul 03, 2016
Submitted by: Team Kweeper
Region: El Dorado County, California, United States
Verified by: Ken Davenport
Verified date: Jul 19, 2018
Observation date: Jul 15, 2018
Submitted by: PDunwiddie
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 19, 2018
Observation date: Jul 03, 2018
Submitted by: Zach Eckert
Region: King County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 12, 2018
Observation date: Jul 10, 2018
Submitted by: naers
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: Jul 11, 2018
Observation date: Jun 29, 2018
Submitted by: Zach Eckert
Region: San Bernardino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 10, 2018
Observation date: Jun 14, 2018
Submitted by: sgguthart
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 09, 2018
Observation date: Jun 24, 2018
Submitted by: alyssa_d
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 26, 2018
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