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 693 verified sightings
Observation date: Jul 05, 2017
Submitted by: joann.sailmarip...
Region: Gem County, Idaho, United States
Verified by: stevekohler
Verified date: Jun 19, 2018
Observation date: Jun 16, 2018
Submitted by: Vickie
Region: Pacific County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 18, 2018
Observation date: May 30, 2018
Submitted by: DebSten
Region: Klickitat County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 10, 2018
Observation date: Jun 07, 2018
Submitted by: rynthae
Region: Spokane County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 09, 2018
Observation date: Jun 01, 2018
Submitted by: RichHubie
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Jun 02, 2018
Observation date: May 29, 2018
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: May 30, 2018
Observation date: May 27, 2018
Submitted by: SNCSSTEAM
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: May 29, 2018
Observation date: May 27, 2018
Submitted by: billybgood
Region: Marin County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2018
Observation date: May 24, 2018
Submitted by: glennfine
Region: Siskiyou County, California, United States
Verified by: Ken Davenport
Verified date: May 27, 2018
Observation date: May 26, 2018
Submitted by: BeccaCombs
Region: Jefferson County, Oregon, United States
Verified by: Ken Davenport
Verified date: May 27, 2018
Observation date: May 26, 2018
Submitted by: hiker96
Region: Thurston County, Washington, United States
Verified by: davidwdroppers
Verified date: May 27, 2018
Observation date: May 17, 2018
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: May 18, 2018
Observation date: Jul 13, 2013
Submitted by: Chris Carvalho
Region: Skamania County, Washington, United States
Verified by: davidwdroppers
Verified date: May 14, 2018
Observation date: Mar 31, 2018
Submitted by: ezeemonee
Region: Monterey County, California, United States
Verified by: Ken Davenport
Verified date: Apr 02, 2018
Observation date: Mar 12, 2018
Submitted by: MAKI
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Mar 12, 2018
Observation date: Jun 26, 2017
Submitted by: wallap74
Region: Mariposa County, California, United States
Verified by: Ken Davenport
Verified date: Dec 26, 2017
Observation date: Jun 22, 2017
Submitted by: duff
Region: Glacier County, Montana, United States
Verified by: J_Martineau
Verified date: Dec 08, 2017
Observation date: May 18, 2016
Submitted by: Sue Orlowski
Region: Lincoln County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 31, 2017
Observation date: Jul 25, 2016
Submitted by: Paulas
Region: Jefferson County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 12, 2017
Observation date: May 30, 2017
Submitted by: Vickie J Anderson
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Oct 10, 2017
Observation date: Jul 17, 2017
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 29, 2017
Observation date: May 19, 2016
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 26, 2017
Observation date: Apr 17, 2016
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 26, 2017
Observation date: Apr 17, 2016
Submitted by: Lisahug
Region: Sonoma County, California, United States
Verified by: Ken Davenport
Verified date: Sep 26, 2017
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