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Disclaimer: This material is being kept online for historical purposes. Content is no longer being updated and may contain broken links. |
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Santa Barbara Field Guides - Butterflies Lepidoptera Nymphalidae Nymphalis milberti Milbert's Tortoiseshell |
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Size:
Wingspread 1.75-1.5 in. Recognition: A distinctive dark Tortoiseshell, with brown wing bases and edges separated by wide golden orange band; underside a cryptic two-tone mottled brown. Flight period: Adults are active mid-spring to fall, passing through two generations during this time. Hostplants: The larva of Milbert's Tortoiseshell feeds on a variety of nettles (Urtica species - Urticaceae). Habitat: Typically seen in moist upland areas, especially riparian areas and montane meadows. Distribution: Occurs throughout the western U.S. and southern Canada; this species has not been definitely recorded in Santa Barbara County, though there are records in all surrounding counties. If here it will likely be found in our mountainous backcountry. 
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