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Arizona Sister Butterfly

The Arizona Sister is brownish black on top with an orange patch at the tip of the forewing. There is a white median band across both wings which is broken on the forewing.

Natural History

The Arizona Sister can be found throughout the west, from Southern Oregon east to Colorado, south to southern California, Arizona, South Texas, and Mexico. It can be found mainly in areas with oak covered hills, groves, and stream valleys. Oak tree leaves are the main food plant of the insect during its caterpillar stage.

The Arizona Sister Butterfly is perhaps better known as the California Sister.

The Arizona Sister is under consideration (along with the Two-tailed Swallowtail and The Queen, a Monarch Butterfly) as the state butterfly of Arizona. Currently 14 states in the U.S. have state butterflies.

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