Attributes of Callophrys irus

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.
Taxonomy Notes:

Images of Callophrys irus

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Callophrys irus - Frstdelfn32804-0791.jpg

Callophrys irus - Frstdelfn32804-0791.jpg


The map below displays all BAMONA data for this species and has three different data layers:
1. All records (yellow dots)   2. Recently verified records (orange dots)*   3. US county records (purple)

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*The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. Sometimes, there are several records at the same location. Use the table view to access these records.

By default, the fifty most recently verified sightings are below. Sort by Observation Date to see the most recent sightings, or filter the sightings by region to get a regional list.

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Observation Date Submitter Region Verified Datesort icon
April 30, 2016 Jarchibold Saratoga County, New York, United States May 02, 2016 Details
May 08, 2015 SteveSass Starke County, Indiana, United States May 12, 2015 Details
May 02, 2015 Jarchibold Saratoga County, New York, United States May 03, 2015 Details
March 31, 2015 CA Ivy Sebastian County, Arkansas, United States April 01, 2015 Details
April 18, 2011 Allen Belden Isle Of Wight County, Virginia, United States March 19, 2015 Details
March 31, 2014 sshively Rapides Parish, Louisiana, United States April 09, 2014 Details
March 20, 2014 MaryAnn Friedman Walton County, Florida, United States March 24, 2014 Details
March 18, 2014 rseidler Natchitoches Parish, Louisiana, United States March 20, 2014 Details
April 29, 2010 Chip Krilowicz Cape May County, New Jersey, United States February 05, 2014 Details
May 05, 2013 stormyeyes99 Albany County, New York, United States May 10, 2013 Details
March 20, 2013 Charles_Mills Hempstead County, Arkansas, United States April 06, 2013 Details
March 26, 2012 Chip Krilowicz Cumberland County, New Jersey, United States June 11, 2012 Details
April 29, 2012 Lauenstein Norfolk County, Massachusetts, United States June 11, 2012 Details
March 01, 2012 Jeff Trahan Caddo Parish, Louisiana, United States March 27, 2012 Details
March 12, 2012 Jeff Trahan Natchitoches Parish, Louisiana, United States March 27, 2012 Details
June 09, 1997 legacy.reporter (Jackie Sones) Barnstable County, Massachusetts, United States January 01, 2012 Details
May 12, 1993 legacy.reporter (Brian Cassie) Bristol County, Massachusetts, United States January 01, 2012 Details
May 15, 1999 legacy.reporter (Allan Keith) Dukes County, Massachusetts, United States January 01, 2012 Details
May 22, 1998 legacy.reporter (Matt Pelikan) Dukes County, Massachusetts, United States January 01, 2012 Details
May 13, 1999 legacy.reporter (Matt Pelikan) Dukes County, Massachusetts, United States January 01, 2012 Details
May 09, 1999 legacy.reporter (Matt Pelikan) Dukes County, Massachusetts, United States January 01, 2012 Details
May 16, 1999 legacy.reporter (Matt Pelikan) Dukes County, Massachusetts, United States January 01, 2012 Details
June 14, 1992 legacy.reporter (Mark Fairbrother) Franklin County, Massachusetts, United States January 01, 2012 Details
May 09, 1993 legacy.reporter (Mark Fairbrother) Franklin County, Massachusetts, United States January 01, 2012 Details
May 08, 1995 legacy.reporter (Mark Fairbrother) Franklin County, Massachusetts, United States January 01, 2012 Details
May 14, 1995 legacy.reporter (Mark Fairbrother) Franklin County, Massachusetts, United States January 01, 2012 Details
May 18, 1997 legacy.reporter (Tom Gagnon + Mark Fairbrother) Franklin County, Massachusetts, United States January 01, 2012 Details
May 01, 1999 legacy.reporter (Dottie Case) Franklin County, Massachusetts, United States January 01, 2012 Details
May 15, 1998 legacy.reporter (Tom Gagnon) Franklin County, Massachusetts, United States January 01, 2012 Details
May 09, 1999 legacy.reporter (Tom Gagnon) Franklin County, Massachusetts, United States January 01, 2012 Details
June 11, 1997 legacy.reporter (Matt Pelikan) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 31, 1997 legacy.reporter (Matt Pelikan) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 02, 1999 legacy.reporter (Richard Hildreth) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 20, 1994 legacy.reporter (Tom Dodd) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 25, 1994 legacy.reporter (Tom Dodd) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 03, 1995 legacy.reporter (Tom Dodd) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 28, 1997 legacy.reporter (Tom Dodd) Middlesex County, Massachusetts, United States January 01, 2012 Details
May 28, 1994 legacy.reporter (Brian Cassie) Norfolk County, Massachusetts, United States January 01, 2012 Details
June 08, 1997 legacy.reporter (Brian Cassie) Norfolk County, Massachusetts, United States January 01, 2012 Details
May 15, 1999 legacy.reporter (Brian Cassie) Norfolk County, Massachusetts, United States January 01, 2012 Details
May 16, 1999 legacy.reporter (Tom Dodd+Cathy Dodd) Norfolk County, Massachusetts, United States January 01, 2012 Details
May 19, 1992 legacy.reporter (Brian Cassie) Plymouth County, Massachusetts, United States January 01, 2012 Details
May 14, 1999 legacy.reporter (Richard Hildreth) Worcester County, Massachusetts, United States January 01, 2012 Details
May 31, 1999 legacy.reporter (Tom Dodd) Worcester County, Massachusetts, United States January 01, 2012 Details
May 22, 1999 legacy.reporter (Tom Dodd+Cathy Dodd) Worcester County, Massachusetts, United States January 01, 2012 Details
May 16, 1993 legacy.reporter (Tom Dodd) Worcester County, Massachusetts, United States January 01, 2012 Details
May 23, 1993 legacy.reporter (Tom Dodd) Worcester County, Massachusetts, United States January 01, 2012 Details
May 23, 1998 legacy.reporter (Tom Dodd+Cathy Dodd+MBC) Worcester County, Massachusetts, United States January 01, 2012 Details
May 14, 1997 legacy.reporter (Gail Howe) Worcester County, Massachusetts, United States January 01, 2012 Details
June 06, 1997 legacy.reporter (Gail Howe) Worcester County, Massachusetts, United States January 01, 2012 Details