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November 7 – Seattle 7:00 pm – 9:00 pm – “Island Marble” Dr. Amy Lambert
At Center for Urban Horticulture- 3501 NE 41st Street, Seattle, WA
Dr. Amy Lambert, School of Interdisciplinary Arts & Sciences, U of W Bothell, will speak on “The Ecology and Conservation of the Island Marble.” The species was thought to be extinct since 1909 but was then rediscovered in a small area on San Juan Island.
From Washington Department of Fish and Wildlfie website: Island Marble Butterfly (Euchloe ausonides insulanus)
The Island Marble, a beautiful white butterfly with green ‘marbling’ on the underside of the wings, was discovered by early Canadian lepidopterists (butterfly specialists) in 1861 on Vancouver Island and it was last seen in 1908 on nearby Gabriola Island. No one saw it again for 90 years. It had never been found in the United States. In 1998, zoologist John Fleckenstein of the Washington Department of Natural Resources collected a butterfly at American Camp on the south end of San Juan Island. He was intrigued; he didn’t know what it was. It looked like a species of marble butterfly, but they were not known to occur in western Washington. It was only after he took the specimen to experts that the Island Marble, a butterfly believed to be extinct for almost 100 years, was correctly identified and officially “re-discovered.”
The excitement of this discovery brought Canadian and American lepidopterists to San Juan Island to survey for and study the Island Marble. After hundreds of surveys at potential locations in the San Juans, Gulf Islands, Vancouver Island, Olympic Peninsula, and northern coastal Puget Sound, only a few small populations were found on San Juan and Lopez Islands. Because of its rarity and small population numbers, the governments of British Columbia, Washington, and the United States have identified it as a species of conservation concern.