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 121 - 144 of 862 verified sightings
Observation date: Jul 03, 1998
Submitted by: legacy.reporter (Dolores Price)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 15, 2000
Submitted by: legacy.reporter (Allen Keith)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 27, 2004
Submitted by: legacy.reporter (Marj Rines)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 10, 2011
Submitted by: legacy.reporter (Lawrence Barry)
Region: Barnstable County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 26, 2010
Submitted by: legacy.reporter (MBC (Steve Moore))
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 21, 2008
Submitted by: legacy.reporter (Mark Faherty)
Region: Plymouth County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 02, 1996
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 05, 1993
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 16, 2005
Submitted by: legacy.reporter (Matt Pelikan)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 27, 2001
Submitted by: legacy.reporter (Brian Cassie)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 15, 2006
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 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 01, 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 26, 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: Jun 30, 2002
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 24, 2004
Submitted by: legacy.reporter (Mike Nelson)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 27, 2006
Submitted by: legacy.reporter (Karen Parker)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 01, 2007
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 06, 1996
Submitted by: legacy.reporter (Dick Walton #)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 22, 2001
Submitted by: legacy.reporter (Alison Robb)
Region: Barnstable County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 24, 2005
Submitted by: legacy.reporter (Karen Parker)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 03, 2005
Submitted by: legacy.reporter (MBC (T. Murray + E. Nielsen))
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 17, 2008
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 30, 2009
Submitted by: legacy.reporter (Sam Jaffe)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
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