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 145 - 168 of 862 verified sightings
Observation date: Jul 12, 2003
Submitted by: legacy.reporter (Matt Pelikan)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 04, 2004
Submitted by: legacy.reporter (Erik Nielsen)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 12, 2003
Submitted by: legacy.reporter (ZNC BLACKSTONE VALLEY)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 05, 2008
Submitted by: legacy.reporter (MBC (E.Nielsen))
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 03, 2010
Submitted by: legacy.reporter (MBC (S.Moore+B.Volkle))
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 03, 1994
Submitted by: legacy.reporter (Doug Savich + Claudia Tibbets)
Region: Essex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 11, 1992
Submitted by: legacy.reporter (Mark Mello )
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 16, 2005
Submitted by: legacy.reporter (Allan Keith)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 23, 2004
Submitted by: legacy.reporter (Marj Rines + Renee LaFontaine)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 26, 2011
Submitted by: legacy.reporter (Mark Rainey)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 23, 2010
Submitted by: legacy.reporter (Steve Moore+Barbara Volkle)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 12, 2009
Submitted by: legacy.reporter (Erik Nielsen)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 11, 1999
Submitted by: legacy.reporter (Karen Parker)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 22, 1991
Submitted by: legacy.reporter (Tom Dodd)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 26, 2002
Submitted by: legacy.reporter (Matt Pelikan)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 15, 2005
Submitted by: legacy.reporter (Tom Whelan)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 23, 2010
Submitted by: legacy.reporter (Matt Arey )
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 14, 2011
Submitted by: legacy.reporter (Howard Hoople)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 01, 2007
Submitted by: legacy.reporter (Cark Kamp #)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 08, 1997
Submitted by: legacy.reporter (Matt Pelikan)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 14, 1991
Submitted by: legacy.reporter (Tom Dodd)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 10, 1995
Submitted by: legacy.reporter (Brian Malcolm)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 12, 1992
Submitted by: legacy.reporter (Tom Dodd)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 01, 2001
Submitted by: legacy.reporter (Karen Parker)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
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