The Arizona Red-spotted Purple, Limenitis arthemis arizonensis, is endemic to Mexico and the southwestern United States (Opler 1999). In Arizona, caterpillars feed on chokecherry (Prunus), willows (Salix), cottonwood and aspen (Populus) in riparian habitats of oak woodlands and mixed evergreen forests (Stewart et al. 2001). Adults fly from late March to mid-November (Stewart et al. 2001). These butterflies are Batesian mimics of the poisonous Pipevine Swallowtail, Battus philenor (Mullen 2006, Mullen et al. 2008, Savage & Mullen 2009).
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