Two-broods
Guides
Aglais milberti
Milbert's Tortoiseshell, Fire-rim Tortoiseshell
Aglais milberti is a medium-sized butterfly native to North America and the only representative of the genus Aglais on the continent. It is one of two tortoiseshell butterfly species in North America, distinguished by its black wings with wide orange to yellow submarginal bands. Adults hibernate through winter and produce two broods annually. The species occupies diverse moist habitats across a broad geographic range spanning Canada, Alaska, and most of the continental United States.
Anthocharis sara
Sara orangetip, Pacific orangetip
Anthocharis sara is a pierid butterfly native to western North America, ranging from Baja California north to extreme southwestern Oregon and east to the Sierra Nevada and western Nevada. It is one of three distinct species in the Sara orangetip complex, separated from A. julia and A. thoosa by >2% mitochondrial DNA COI barcode divergence and morphological characters of immature stages. The species exhibits strong seasonality with two broods annually and has been documented utilizing diverse mustard family host plants.