Edwards' Hairstreak
Satyrium edwardsii (Grote and Robinson, 1867)
Family: Lycaenidae
Subfamily: Theclinae
Identification: One tail on the hindwing. Underside of hindwing pale brown, with postmedian band of dark brown oval spots; blue tail-spot not topped with orange.
Wing Span: 1 1/8 - 1 1/2 inches (3 - 3.8 cm).
Life History: Males perch on trees to watch for females. Eggs are laid in bark crevices of young hosts. Young caterpillars eat buds during the day. Older caterpillars eat leaves at night and hide during the day in ant nests at the base of the host tree. In return for protection, the ants feed on honeydew produced by the caterpillars.
Flight: One flight from June-July in the north, May-July in the south.
Caterpillar Hosts: Scrub oak (Quercus ilicifolia) and occasionally black oak (Q. velutina).
Adult Food: Nectar from various flowers including dogbane, goldenrod, meadowsweet, milkweeds, New Jersey tea, staghorn sumac, and white sweet clover.
Habitat: Oak thickets in rocky open habitats including sand barrens, shale barrens, and limestone ridges.
Range: Eastern United States from southern Canada and southern Maine south to northeast Texas, central Missouri, and northern Georgia.
Conservation: Not usually required.
NCGR: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 625 - 648 of 864 verified sightings
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Region: Franklin County, Massachusetts, United States
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Region: Shiawassee County, Michigan, United States
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Region: Cherry County, Nebraska, United States
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Region: Jackson County, Ohio, United States
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Region: Florence County, Wisconsin, United States
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Region: Gloucester County, Virginia, United States
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Region: McHenry County, Illinois, United States
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Region: Worcester County, Massachusetts, United States
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Region: Crow Wing County, Minnesota, United States
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Verified date: Dec 31, 2004
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Region: Bergen County, New Jersey, United States
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Region: Pontotoc County, Oklahoma, United States
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Region: Mason County, Illinois, United States
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Region: Charles County, Maryland, United States
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Region: Kandiyohi County, Minnesota, United States
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Verified date: Dec 31, 2004
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Region: Essex County, New Jersey, United States
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Region: Butler County, Pennsylvania, United States
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Region: St. Croix County, Wisconsin, United States
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Region: Rutland County, Vermont, United States
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Region: Pulaski County, Arkansas, United States
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Verified date: Dec 31, 2004
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Region: Lake County, Indiana, United States
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Verified date: Dec 31, 2004
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Region: Penobscot County, Maine, United States
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Verified date: Dec 31, 2004
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Region: Washington County, Minnesota, United States
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Verified date: Dec 31, 2004
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Region: Sussex County, New Jersey, United States
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Verified date: Dec 31, 2004
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Region: Lebanon County, Pennsylvania, United States
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Verified date: Dec 31, 2004
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