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Smith's blue butterfly : ウィキペディア英語版 | Smith's blue butterfly
Smith's blue butterfly, ''Euphilotes enoptes smithi'', is an organism in the family Lycaenidae, which is also known as the "gossamer wing" family. This federally listed endangered species occurs in fragmented populations along the Central Coast of California, primarily associated with sand dune habitat in one case with a dune-based Maritime Coast Range Ponderosa Pine forest in the Carbonera Creek watershed in Santa Cruz County.〔''Environmental Impact Report for the Scotts Valley Redeveopment Area'', Earth Metrics Inc., Report no. 7888, State of California Clearinghouse (1990)〕 The range of ''E. enoptes'' is from Monterey Bay south to Punta Gorda. They live in sand dunes and grassland areas Over half of the original habitat of ''E. e. smithi'' has been destroyed by human overpopulation, coastal highway development and trampling of habitat, and invasive plants.〔Black, H.D and D.M. Vaughn, ''Species profile:Euphilotes enoptes smithi'', in ''Redlist of pollinator insects of North America'', May 2005〕 Several sites are currently being protected to conserve Smith's blue butterfly, including the Maritime Coast Range Ponderosa Pine forest at Carbonera Creek and a preserve at Fort Ord, California—the first site ever chosen for management on behalf of an insect in the United States.〔Arnold, R.A., 1983. Ecological studies of six endangered butterflies (Lepidoptera: Lycaenidae): Island biogeography, patch dynamics, and design of habitat preserves. University of California Publications in Entomology 99: 1-161〕 ''E. e. smithi'' is associated with two species of buckwheat (''Eriogonum latifolium'' and ''Eriogonum parvifolium'') during all of its life phases, such that decline in these buckwheat species' populations poses further threats to this butterfly. ==Morphology== ''Euphilotes enoptes smithi'' is a small butterfly with a wingspan no greater than 2.5 centimeters. Males manifest dorsal wing color of a bright lustrous blue, while females exhibit brown dorsal coloration. Both sexes have with orange-red band markings on the hind dorsal wings. Ventral wing coloration for both males and females is a whitish gray, punctuated with black speckling.
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