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 740 verified sightings
Observation date: Jul 25, 2011
Submitted by: GI JAG
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Sep 15, 2019
Observation date: Jul 05, 2019
Submitted by: mstanek
Region: San Luis Obispo County, California, United States
Verified by: Ken Davenport
Verified date: Aug 20, 2019
Observation date: Jul 28, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 18, 2019
Observation date: Aug 16, 2019
Submitted by: JES
Region: Riverside County, California, United States
Verified by: Ken Davenport
Verified date: Aug 17, 2019
Observation date: Jun 18, 2017
Submitted by: EvSherr
Region: Deschutes County, Oregon, United States
Verified by: Ken Davenport
Verified date: Aug 11, 2019
Observation date: Aug 04, 2019
Submitted by: Team Kweeper
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Aug 06, 2019
Observation date: Jul 29, 2019
Submitted by: MAKI
Region: Amador County, California, United States
Verified by: Ken Davenport
Verified date: Aug 03, 2019
Observation date: Jul 20, 2019
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jul 22, 2019
Observation date: Jul 16, 2019
Submitted by: cevmendo
Region: Mendocino County, California, United States
Verified by: Ken Davenport
Verified date: Jul 18, 2019
Observation date: Jun 30, 2019
Submitted by: Brynne Bryan
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2019
Observation date: Jul 04, 2019
Submitted by: Lisahug
Region: Sierra County, California, United States
Verified by: Ken Davenport
Verified date: Jul 13, 2019
Observation date: Jul 04, 2019
Submitted by: Karen Richardson
Region: Plumas County, California, United States
Verified by: Ken Davenport
Verified date: Jul 12, 2019
Observation date: Jul 02, 2019
Submitted by: MAKI
Region: Kern County, California, United States
Verified by: Ken Davenport
Verified date: Jul 10, 2019
Observation date: Jun 29, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Jul 04, 2019
Observation date: Jun 16, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 27, 2019
Observation date: May 17, 2016
Submitted by: jim meissner
Region: Jackson County, Oregon, United States
Verified by: Ken Davenport
Verified date: Jun 21, 2019
Observation date: Jun 11, 2019
Submitted by: kristianacortan
Region: Skagit County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 14, 2019
Observation date: Jun 09, 2019
Submitted by: CLevang
Region: Kitsap County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 10, 2019
Observation date: Jun 29, 2018
Submitted by: Scott Burgess
Region: Trinity County, California, United States
Verified by: Ken Davenport
Verified date: Jun 01, 2019
Observation date: May 29, 2019
Submitted by: spferguson
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: May 30, 2019
Observation date: May 27, 2019
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: May 28, 2019
Observation date: May 25, 2019
Submitted by: Team Kweeper
Region: Placer County, California, United States
Verified by: Ken Davenport
Verified date: May 26, 2019
Observation date: May 18, 2019
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: May 24, 2019
Observation date: May 13, 2019
Submitted by: Zach Eckert
Region: Chelan County, Washington, United States
Verified by: davidwdroppers
Verified date: May 15, 2019
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