Frosted Elfin
Callophrys irus (Godart, [1824])
Family: Lycaenidae
Subfamily: Theclinae
Identification: One short tail on the hindwing. Upperside brown; male with long oval dark spot on leading edge of forewing. Below, postmedian line of forewing is irregular; that of hindwing is faint. Hindwing with submarginal black spot above tail.
Wing Span: 1 - 1 1/4 inches (2.5 - 3.2 cm).
Life History: Eggs are laid singly on flower buds of host plant; caterpillars eat flowers and developing seedpods. Chrysalids hibernate in loose cocoons in litter beneath the plant.
Flight: One flight from March-April in the south, May-June in the north.
Caterpillar Hosts: Members of the pea family (Fabaceae) indigo (Baptisia tinctoria) and lupine (Lupinus perennis); occasionally blue false indigo (B. australis) and rattlebox (Crotalaria sagittalis).
Adult Food: Flower nectar.
Habitat: Open woods and forest edges, fields, scrub.
Range: Occurs in local colonies from Maine west across New York and southern Michigan to central Wisconsin; south along Atlantic coast and Appalachians to Alabama, Georgia, and Florida. Isolated colony in eastern Texas, northwest Louisiana, and southwest Arkansas.
Conservation: Populations are often small and local. Callophrys irus hadros of east Texas is particularly limited.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: Maintain habitat by controlled burns or other physical means.
Comments: NULL
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Verified Sightings
Displaying 121 - 144 of 667 verified sightings
Observation date: May 14, 2008
Submitted by: legacy.reporter (Bob Bowker)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 13, 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: May 01, 2010
Submitted by: legacy.reporter (Matt Arey)
Region: Plymouth County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 12, 2004
Submitted by: legacy.reporter (MBC (Sharon Stichter))
Region: Essex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 30, 2005
Submitted by: legacy.reporter (Madeline Champagne)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 20, 2009
Submitted by: legacy.reporter (Sharon Stichter #)
Region: Essex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 02, 2010
Submitted by: legacy.reporter (Matt Arey)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 12, 1993
Submitted by: legacy.reporter (Brian Cassie)
Region: Bristol County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 06, 2001
Submitted by: legacy.reporter (Tom Gagnon)
Region: Franklin County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Jun 11, 2005
Submitted by: legacy.reporter (Erik Nielsen)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Apr 08, 2010
Submitted by: legacy.reporter (Howard Hoople + Russ Hopping)
Region: Essex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 13, 2009
Submitted by: legacy.reporter (Renee LaFontaine)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 23, 2008
Submitted by: legacy.reporter (Madeline Champagne)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 23, 2010
Submitted by: legacy.reporter (MBC (E.Nielsen))
Region: Plymouth County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 08, 1995
Submitted by: legacy.reporter (Mark Fairbrother)
Region: Franklin County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 05, 2002
Submitted by: legacy.reporter (Tom Gagnon+MBC)
Region: Hampshire County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 08, 2001
Submitted by: legacy.reporter (Gail Howe)
Region: Worcester County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Apr 28, 2009
Submitted by: legacy.reporter (Tom Gagnon+Bruce Callahan)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 16, 2009
Submitted by: legacy.reporter (Tom Whelan)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 06, 2009
Submitted by: legacy.reporter (Madeline Champagne)
Region: Norfolk County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 02, 1999
Submitted by: legacy.reporter (Richard Hildreth)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 17, 2000
Submitted by: legacy.reporter (Richard Hildreth)
Region: Middlesex County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: Apr 29, 2011
Submitted by: legacy.reporter (Sharon Stichter, Mike Nelson,Ron +Sue Cloutier, K. and E. Barry, J. Stichter, Harvey Allen.)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
Observation date: May 03, 2007
Submitted by: legacy.reporter (Tom Gagnon)
Region: Hampden County, Massachusetts, United States
Verified by: sharonstichter2 (MBC Recordkeeper)
Verified date: Jan 01, 2012
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