Attributes of Papilio eurymedon
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.
Taxonomy Notes:
The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.
Instructions: Click on the map and move your mouse to pan.
Zoom by using the plus [+] and minus [-] on the left side of the map.
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The fifty most recently verified sightings are below. See more recently verified sightings of all species.
| Observation Date | Submitter | Region |
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April 11, 2013 | MAKI | Los Angeles County, California, United States | May 04, 2013 | Details |
| June 11, 2011 | snowcat | Chelan County, Washington, United States | March 19, 2013 | Details | |
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May 20, 2012 | Ethan Hall | Cache County, Utah, United States | December 20, 2012 | Details |
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June 07, 2012 | blake001@sympatico.ca | Yellowstone National Park County, Wyoming, United States | December 14, 2012 | Details |
| July 15, 1981 | legacy.reporter (George T. Austin) | White Pine County, Nevada, United States | December 01, 2012 | Details | |
| June 11, 1997 | legacy.reporter (Ray Stanford) | Lyon County, Nevada, United States | December 01, 2012 | Details | |
| July 17, 2012 | Turpinator | British Columbia, Canada | October 20, 2012 | Details | |
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October 07, 2011 | Beth Eiva | Lane County, Oregon, United States | October 10, 2012 | Details |
| June 19, 2012 | SteveHarbula | Boulder County, Colorado, United States | July 21, 2012 | Details | |
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July 14, 2012 | PDunwiddie | Kittitas County, Washington, United States | July 17, 2012 | Details |
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July 02, 2012 | evilrobot42 | Santa Clara County, California, United States | July 15, 2012 | Details |
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June 10, 2012 | jrchris.pics | Island County, Washington, United States | July 13, 2012 | Details |
| July 01, 2012 | Eric Sandbo | Kittitas County, Washington, United States | July 07, 2012 | Details | |
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July 01, 2012 | PDunwiddie | Kittitas County, Washington, United States | July 02, 2012 | Details |
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June 16, 2012 | PDunwiddie | Kittitas County, Washington, United States | June 18, 2012 | Details |
| June 10, 2012 | Jonathan | Marin County, California, United States | June 13, 2012 | Details | |
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June 11, 2012 | Rich Schager | Mason County, Washington, United States | June 12, 2012 | Details |
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May 19, 2012 | Julie Gibson | British Columbia, Canada | May 26, 2012 | Details |
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May 25, 2012 | kgunther | Lewis County, Washington, United States | May 25, 2012 | Details |
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June 15, 2008 | hjbarkey9 | Routt County, Colorado, United States | May 14, 2012 | Details |
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April 28, 2012 | Stephen S. Rudzinski | Monterey County, California, United States | May 01, 2012 | Details |
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July 18, 2011 | Amateur Entomologist | Benton County, Oregon, United States | March 09, 2012 | Details |
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April 18, 2011 | Amateur Entomologist | San Luis Obispo County, California, United States | February 20, 2012 | Details |
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May 23, 2011 | AJBrumble | Valley County, Idaho, United States | January 31, 2012 | Details |
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July 02, 2011 | js97032@yahoo.com | Linn County, Oregon, United States | January 23, 2012 | Details |
| May 06, 2012 | legacy.reporter (Nick Lethaby) | Santa Barbara County, California, United States | January 01, 2012 | Details | |
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July 17, 2011 | mgiffen | Modoc County, California, United States | August 31, 2011 | Details |
| July 14, 2010 | plex1ppus | Spokane County, Washington, United States | August 31, 2011 | Details | |
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July 02, 2011 | Greg Dean | British Columbia, Canada | August 28, 2011 | Details |
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July 27, 2011 | steepdeep | Gilpin County, Colorado, United States | August 27, 2011 | Details |
| August 16, 2011 | davidwdroppers | Whatcom County, Washington, United States | August 20, 2011 | Details | |
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July 27, 2011 | steepdeep | Gilpin County, Colorado, United States | August 18, 2011 | Details |
| August 13, 2011 | davidwdroppers | Skagit County, Washington, United States | August 14, 2011 | Details | |
| May 20, 2010 | Sydney2011 | Los Angeles County, California, United States | August 09, 2011 | Details | |
| July 18, 2011 | lightgypsy | Placer County, California, United States | August 02, 2011 | Details | |
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July 31, 2011 | JaneSzabo | Los Angeles County, California, United States | July 31, 2011 | Details |
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May 23, 2011 | Jdammarell | Stevens County, Washington, United States | July 28, 2011 | Details |
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June 28, 2011 | john g | Santa Barbara County, California, United States | July 04, 2011 | Details |
| June 26, 2011 | Leihla Scharlau | Thurston County, Washington, United States | June 28, 2011 | Details | |
| June 17, 2011 | davidwdroppers | Okanogan County, Washington, United States | June 24, 2011 | Details | |
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June 20, 2011 | Stephanie Reith | Jefferson County, Washington, United States | June 21, 2011 | Details |
| June 23, 2005 | legacy.reporter (Kim Davis & Mike Stangeland) | Mono County, California, United States | May 01, 2011 | Details | |
| May 03, 2007 | legacy.reporter (Ray Collett) | Santa Cruz County, California, United States | May 01, 2011 | Details | |
| May 23, 2005 | legacy.reporter (Kim Davis & Mike Stangeland) | San Luis Obispo County, California, United States | May 01, 2011 | Details | |
| May 17, 2005 | legacy.reporter (William Bouton) | San Luis Obispo County, California, United States | May 01, 2011 | Details | |
| April 03, 2007 | legacy.reporter (William Bouton) | San Luis Obispo County, California, United States | May 01, 2011 | Details | |
| April 18, 2007 | legacy.reporter (Kojiro Shiraiwa) | San Diego County, California, United States | May 01, 2011 | Details | |
| July 09, 2007 | legacy.reporter (Jeff Pippin) | Monterey County, California, United States | May 01, 2011 | Details | |
| June 26, 1978 | legacy.reporter (C. Bordelon & E. Knudsen) | Los Angeles County, California, United States | May 01, 2011 | Details | |
| June 12, 1971 | legacy.reporter (Jim Brock) | El Dorado County, California, United States | May 01, 2011 | Details |












