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 12, 1998
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 26, 1997
Submitted by: legacy.reporter (Cathy + Tom Dodd)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Aug 09, 2004
Submitted by: legacy.reporter (Ron + Sue Cloutier)
Region: Franklin County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 03, 2003
Submitted by: legacy.reporter (Tom Murray)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 19, 2008
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 02, 2006
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 05, 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 08, 2000
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 31, 2003
Submitted by: legacy.reporter (Tom Murray)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 19, 2008
Submitted by: legacy.reporter (Allan Keith)
Region: Dukes County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 24, 2006
Submitted by: legacy.reporter (Madeline Champagne)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 09, 1997
Submitted by: legacy.reporter (Cathy Dodd)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 11, 1999
Submitted by: legacy.reporter (Northern Worcester Xerces)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 02, 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 07, 2004
Submitted by: legacy.reporter (Madeline Champagne)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 15, 2007
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 29, 2008
Submitted by: legacy.reporter (Erik Nielsen)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Aug 07, 1998
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 07, 1996
Submitted by: legacy.reporter (Tom Dodd+Cathy Asselin)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 10, 2004
Submitted by: legacy.reporter (R Laubach et al)
Region: Berkshire County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 13, 2002
Submitted by: legacy.reporter (Andrew McGinnis)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jul 12, 2005
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 17, 2008
Submitted by: legacy.reporter (Roger Pease )
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Aug 01, 2009
Submitted by: legacy.reporter (Erik Nielsen)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
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