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''Euchloe hyantis'', the Pearly Marble, Pearly Marblewing or California Marble, is a butterfly in the Pieridae family. It is found from southern Oregon south through California west of the Sierra Nevada crest to northern Baja California. The habitat consists of rocky canyons, cliffs, moraines and gravelly flats.〔(Butterflies and Moths of North America )〕 The wingspan is . The upperside of the forewing has a narrow cell bar very close to the edge of the wing. This cell bar is usually devoid of white scales. The underside is cream-white, the hindwing with yellow-green to green marbling. Adults are on wing from April to early July in one generation per year. They feed on flower nectar, including that of the larval hosts and others such as tansy-mustard or pussy-paws.〔 The larvae feed on the flowers and fruits of Brassicaceae species, especially ''Streptanthus'' species. Chrysalids hibernate.〔 ==Subspecies== The following subspecies are recognised:〔 *''Euchloe hyantis hyantis'' *''Euchloe hyantis andrewsi'' Martin, 1936 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Euchloe hyantis」の詳細全文を読む スポンサード リンク
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