Photo by Melody

Pale Swallowtail (Papilio eurymedon)

Order: Lepidoptera (le-pid-OP-ter-a) (Info)
Family: Papilionidae (pap-ill-lee-ON-ih-dee) (Info)
Genus: Papilio (pap-ILL-ee-oh) (Info)
Species: eurymedon


No positives
1 neutral
No negatives


This bug has been reportedly found in the following regions:

San Francisco, California

By kennedyh
Thumbnail #1 of Pale Swallowtail (Papilio eurymedon) by kennedyh

By Scorpioangel

Thumbnail #2 of Pale Swallowtail (Papilio eurymedon) by Scorpioangel

Member Notes:

Neutral Magpye On Aug 16, 2006, Magpye from NW Qtr, AR
(Zone 6a) wrote:

Wing span: 2 1/2 - 3 1/2 inches (6.4 - 9 cm).

Identification: Upper surface of wings creamy white with black stripes. Front wing is narrow and pointed; tail of hindwing is long, slender and twisted.

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 (Alnus rubra).

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.

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