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Arizona State Butterfly

Two-tailed Swallowtail butterfly - click to see more state insects
Two-tailed swallowtail butterfly (Papilio multicaudata) feeding on snapdragon
and larkspur; photo © Scott Nelson / BugGuide.net (used by permission).
See All State Insects.

Two-tailed Swallowtail Butterfly

See two-tailed swallowtail butterfly video below

The two-tailed swallowtail butterfly (Papilio multicaudata) was designated the official state butterfly of Arizona in 2001. A large butterfly (wingspan 3-5 inches), the two-tailed swallowtail is found only west of the Mississippi in North America (in canyonlands, foothills, valleys, woodlands, and gardens from southwestern Canada through the western half of the U.S. and into Mexico).

The adult butterfly (also commonly called two-tailed tiger swallowtail) has yellow to orangish-yellow wings edged thickly with black. Each wing has 4 almost parallel stripes (the innermost stripe is the longest, while the outermost two may simply be bars). The hindmost part of each wing has a curved row of blue patches and below the blue are several bars or spots of orange. Two tails extend from the rear of the hindwing, with the innermost tail considerably shorter.

Two-tailed butterfly larvae - click to see all state insects
Two-tailed swallowtail butterfly larvae - photo © Bruce Walsh / Butterflies of Southeast Arizona (used by permission). See All State Insects.

The caterpillar (larvae) of the two-tailed swallowtail butterly is light green and marked near the head with four yellow dots and two yellowish eyespots with blue centers. The "neck" of the caterpillar is banded with black and yellow, and the body has several rows of tiny blue dots. The caterpillar turns brownish or reddish just prior to pupation. Caterpillars feed on the leaves of a variety of trees and shrubs, adults drink flower nectar.

Two-tailed swallowtail butterfly - click to see more state butterflies
Two-tailed swallowtail butterfly - photo © Kenny Broberg on Flickr (used by permission). See All State Insects.
Source:
Arizona Legislation: House Bill 2247
Two-Tailed Swallowtail: Idaho Museum of Natural History
Links:
All State Insects


    

 

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Organic Gardening Magazine (2-year subscription)
Organic Gardening Magazine
(2-year subscription)

Attracting Birds, Butterflies & Backyard Wildlife - National Wildlife Federation
Attracting Birds, Butterflies & Backyard Wildlife
by National Wildlife Federation

Two-tailed Swallowtail Butterfly Video

See more state insect videos

Arizona Gifts - Gifts by State

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