Euchloe ausonides, the large marble[1] or creamy marblewing,[2] is a species of butterfly that occurs in western North America.[1] It lays eggs on the terminal flower buds of a variety of plants in the mustard family, including introduced Eurasian species, and the larvae feed on the buds, flowers and fruit of these plants.[3] In California, it has witnessed population declines since the 1980s, especially in the Central Valley and the Bay Area. In Washington, subspecies the island marble butterfly (Euchloe ausonides ssp. insulanus) was listed as an endangered species under the Endangered Species Act in 2020.[4]
^ abLotts, Kelly; Naberhaus, Thomas. "Large Marble Euchloe ausonides (Lucas, 1852)". Butterflies and Moths of North America. Retrieved 29 March 2018.
^"Euchloe ausonides Large Marble". Digital Atlas of Idaho. Idaho State University.
^Shapiro, Art. "Euchloe ausonides". Art Shapiro's Butterfly Site. Retrieved 29 March 2018.
^"Species Profile for Island large marble Butterfly (Euchloe ausonides insulanus)". Federal Register. U.S. Fish & Wildlife Service. 5 May 2020. Retrieved 4 June 2020.
Euchloeausonides, the large marble or creamy marblewing, is a species of butterfly that occurs in western North America. It lays eggs on the terminal...
Euchloeausonides insulanus, the island marble butterfly, is a subspecies of the Euchloeausonides (large marble butterfly) and is found in the San Juan...
the world's only viable population of the island marble butterfly (Euchloeausonides insulana). The butterfly was thought to be extinct for 90 years before...
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