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North American Ecology (US and Canada)Resident in very small area of California (Scott 1986). Habitats are lower Sonoran zone desert canyons and along riverbeds. Host plants are shrub species Atriplex canescens (Chenopodiaceae). Eggs are laid on the host plant leaves singly. Larvae eat leaves and are tended by ants. Individuals overwinter as older larvae. There are 3 flight each year with the approximate flight times late Apr-May30, late Jun- early July, Aug1- early Sept. (Scott 1986).