© Rick Cech
 Pipevine Swallowtail
Battus philenor
2 3/4-3 3/8" (70-86 mm). Black to dark gray above with metallic blue, especially toward hindwing margin; hindwing above has row of yellow spots around rim. Hindwing below has row of orange spots curving through blue patch along margin and white marginal spots.
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© Lynn Lozier
Pipevine Swallowtail Caterpillar
Battus philenor
A distinctive species, seldom found off food plant (various species of pipevine). Mature caterpillar, 1 7/8-2 1/8" (48-54 mm). Black with prominent fleshy red protuberances over entire length of body.
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© Tom Boyden
Pale Swallowtail
Papilio eurymedon
3-3 3/4" (76-95 mm). Pale cream with bold, broad black stripes and black borders above; hindwing borders spotted with cream, blue, and pale to bright orange. Wings less brightly colored below, with distinctive dark veins. 1 long black tail on each hindwing.
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© Edward S. Ross
Two-tailed Swallowtail
Papilio multicaudata
3 3/8-5 1/8" (86-130 mm). Yellow with narrow black stripes. Hindwing edge above and below lined with blue patches; black border spotted with yellow and orange; between spots each wing points outward in series of partial tails, and 1 long and 1 medium tail.
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© Tom Boyden
Western Tiger Swallowtail
Papilio rutulus
2 3/4-3 7/8" (70-98 mm). Above and below, lemon-yellow with black tiger-stripes across wings and black yellow-spotted margins. 1-2 orange spots and several blue spots near black tail on hindwing; blue continuous all around outer margin of hindwing below.
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© Tom Boyden
Anise Swallowtail
Papilio zelicaon
2 5/8-3" (67-76 mm). More yellow than black. Above, band of straight-edged yellow spots in mid-forewing; hindwing flushed with blue above medium-long tail; orange eyespot with large, round, centered pupil. Similar below. Black abdomen has yellow side stripes.
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© Tom Boyden
Sara Orangetip
Anthocharis sara
1 1/4-1 5/8" (32-41 mm). Male white above, female white or yellow. Orange patch near forewing tip red-orange, sometimes paler; some have black and white bars, black margin outside orange patch. Below, paler patch on forewing; grass-green marbling on hindwing.
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© Edward S. Ross
California Dogface
Colias eurydice
1 5/8-2 1/2" (41-64 mm). Male saffron-orange above; thick black forewing margin in poodle-head pattern (may have purplish sheen). Female pale yellow; faint or no forewing margin. Below, deep yellow or greenish with black forewing ring, silvery hindwing spots.
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© Rob Curtis
Orange Sulphur
Colias eurytheme
1 5/8-2 3/8" (41-60 mm). Above, gold-orange with pink blush; black borders (yellow spotted in female); black spot on forewing, red-orange spot on hindwing. Below, orange, yellow or greenish with 1 or 2 red-rimmed silvery spots in hindwing. Wings pink-fringed.
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