Attributes of Callophrys gryneus

Juniper Hairstreak
Callophrys gryneus (Hübner, [1819])

Family: Lycaenidae
Subfamily: Theclinae
Identification: Widespread and variable. Western and eastern populations were once considered separate species but have been found to hybridize. Western: Upperside of male dull red-brown, female tawny; both with dark brown costa and wing borders. Underside of forewing rust-red; hindwing dull to bright green with irregular white line edged inwardly with red-brown. Eastern: Upperside of male dark brown with olive-colored sheen, female blackish brown. Underside green; forewing with tawny base, hindwing with 2 white spots near base and irregular white line edged inwardly with red-brown.
Wing Span: 1 - 1 1/4 inches (2.6 - 3.2 cm).
Life History: To seek females, males perch on host trees all day. Eggs are laid singly on tips of host plant leaves, which the caterpillars eat. Chrysalids hibernate.
Flight: In the north, one brood from May-August; in the west, one brood from March-July. Two broods in the south from February-September.
Caterpillar Hosts: Redcedar scopulorum), California juniper (J. californica), Utah juniper (J. osteosperma), and perhaps others.
Adult Food: Nectar from various flowers including winter cress, dogbane, common milkweed, wild carrot, shepherd's needle, butterflyweed, white sweet clover, and others.
Habitat: Old fields, bluffs, barrens, juniper and pinyon-juniper woodlands, and cedar breaks.
Range: East Texas. West: Montana, North Dakota, and Nebraska south to southern California, Arizona, New Mexico, and Baja California.
Conservation: Subspecies sweadneri is of conservation concern wherever it is found. Callophrys gryneus as a whole has The Nature Conservancy Global Rank of G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery. Subspecies siva and loki have The Nature Conservancy rank of T4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery. Subspecies sweadneri in Florida has The Nature Conservancy rank of T2 - Imperiled globally because of rarity (6 to 20 occurrences), or because of other factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range).
NCGR:
Management Needs: Maintain habitat of subspecies sweadneri and manage for the proper successional stage.
Taxonomy Notes:

Images of Callophrys gryneus

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Callophrys gryneus - Callophrys_gryneus_sivaSanders.jpg

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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 200 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.

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The fifty most recently verified sightings are below. See more recently verified sightings of all species.

Observation Date Submitter Region Verified Datesort icon
April 13, 2012 SwingDancer Loudoun County, Virginia, United States May 16, 2012 Details
April 16, 2012 Nancy Weiss Virginia, United States, Warren County May 16, 2012 Details
April 14, 2012 AJ Trently Maury County, Tennessee, United States April 29, 2012 Details
April 06, 2012 Melinda Fawver Loudon County, Tennessee, United States April 29, 2012 Details
April 13, 2012 HHowell Hancock County, Tennessee, United States April 27, 2012 Details
April 20, 2012 Cheryl Jennings Hardy County, West Virginia, United States April 26, 2012 Details
April 20, 2012 Cheryl Jennings Grant County, West Virginia, United States April 26, 2012 Details
April 14, 2012 Cheryl Jennings Mineral County, West Virginia, United States April 16, 2012 Details
March 29, 2012 linda-butterfly Pike County, Georgia, United States April 10, 2012 Details
July 31, 2011 Doug Taron Pima County, Arizona, United States April 10, 2012 Details
March 30, 2012 Steve Craig Barry County, Missouri, United States April 03, 2012 Details
March 27, 2012 HHowell Claiborne County, Tennessee, United States April 03, 2012 Details
June 21, 2011 coreyk Clark County, Nevada, United States January 31, 2012 Details
June 15, 2011 Appy-Brown Grand Isle County, Vermont, United States December 23, 2011 Details
June 19, 2011 Appy-Brown Grand Isle County, Vermont, United States December 23, 2011 Details
June 20, 2011 Appy-Brown Grand Isle County, Vermont, United States December 23, 2011 Details
June 20, 2011 Appy-Brown Grand Isle County, Vermont, United States December 23, 2011 Details
May 31, 2008 RaisingButterflies.org Tooele County, Utah, United States November 26, 2011 Details
July 09, 2011 Joe Schelling--entered by M ODonnell Bernalillo County, New Mexico, United States September 26, 2011 Details
July 21, 2011 mgiffen Modoc County, California, United States September 15, 2011 Details
August 14, 2011 Doug Bruce Giles County, Tennessee, United States August 16, 2011 Details
April 22, 2011 Matt ODonnell Bernalillo County, New Mexico, United States August 08, 2011 Details
May 04, 2010 Howell Curtis Crawford County, Indiana, United States August 02, 2011 Details
May 08, 2011 aahewetson Irion County, Texas, United States July 15, 2011 Details
June 13, 2003 cyric Garfield County, Colorado, United States July 14, 2011 Details
July 04, 2011 David Trently Knox County, Tennessee, United States July 07, 2011 Details
August 29, 2010 henryr10 Hamilton County, Ohio, United States July 02, 2011 Details
April 13, 2011 Andy Eller Marshall County, Kentucky, United States June 15, 2011 Details
March 19, 2011 vitaly charny (Vitaly Charny) Lawrence County, Alabama, United States May 31, 2011 Details
April 21, 2011 Tommie Rogers Hamilton County, Tennessee, United States May 21, 2011 Details
July 18, 2007 legacy.reporter (Jeff Pippin) Inyo County, California, United States May 01, 2011 Details
July 09, 2008 legacy.reporter (John Lane) Lassen County, California, United States May 01, 2011 Details
June 12, 2008 legacy.reporter (John Lane) Modoc County, California, United States May 01, 2011 Details
March 16, 2010 legacy.reporter (Kim Davis & Mike Stangeland) San Diego County, California, United States May 01, 2011 Details
March 04, 1994 legacy.reporter (Douglas Aguillard) San Diego County, California, United States May 01, 2011 Details
April 07, 1974 legacy.reporter (Jim Brock) San Bernardino County, California, United States May 01, 2011 Details
April 05, 1977 legacy.reporter (Jim Brock) San Bernardino County, California, United States May 01, 2011 Details
April 20, 2010 legacy.reporter (Jim Brock) San Bernardino County, California, United States May 01, 2011 Details
June 22, 1996 legacy.reporter (unknown) San Bernardino County, California, United States May 01, 2011 Details
June 22, 1979 legacy.reporter (unknown) San Bernardino County, California, United States May 01, 2011 Details
June 25, 1994 legacy.reporter (unknown) Tulare County, California, United States May 01, 2011 Details
June 13, 2002 legacy.reporter (Hoag, David) Grand Isle County, Vermont, United States May 01, 2011 Details
August 02, 2003 legacy.reporter (Pfeiffer, Bryan) Rutland County, Vermont, United States May 01, 2011 Details
April 30, 2004 legacy.reporter (Pfeiffer, Bryan) Rutland County, Vermont, United States May 01, 2011 Details
June 08, 2002 legacy.reporter (Schneider, Jerry) Grand Isle County, Vermont, United States May 01, 2011 Details
June 29, 2003 legacy.reporter (Gifford, Charles) Grand Isle County, Vermont, United States May 01, 2011 Details
June 29, 2003 legacy.reporter (Gifford, Charles) Grand Isle County, Vermont, United States May 01, 2011 Details
June 25, 2003 legacy.reporter (Gifford, Charles) Grand Isle County, Vermont, United States May 01, 2011 Details
May 27, 2002 legacy.reporter (Hoag, David) Grand Isle County, Vermont, United States May 01, 2011 Details
June 01, 2002 legacy.reporter (Hoag, David) Grand Isle County, Vermont, United States May 01, 2011 Details