Arctic Blue
Plebejus glandon (de Prunner, 1798)
Family: Lycaenidae
Subfamily: Polyommatinae
Identification: Geographically variable. Upperside of male gray-blue, female orange-brown; both sexes with dark cell spots on both wings. Underside hindwing with postmedian black spots lacking or enclosed by white patches.
Wing Span: 7/8 - 1 inches (2.2 - 2.6 cm).
Life History: Eggs are laid singly on leaves, bracts, or sepals of the host plant. Caterpillars or chrysalids hibernate.
Flight: One brood from early May to late September, mainly June-August.
Caterpillar Hosts: Possibly Diapensia lapponica, Dodecatheon, and Androsace septentionalis.
Adult Food: Flower nectar.
Habitat: Bogs, tundra, gravelly hills, alpine fell-fields, and subalpine meadows.
Range: Holarctic. Alaska east to Newfoundland, south through the mountains of the West to Washington, northern Arizona, and northern New Mexico.
Conservation: Not usually of conservation concern.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: Study conservation needs and implement if necessary.
Comments: NULL
Verified Sightings
Displaying 25 - 48 of 234 verified sightings
Observation date: Jul 10, 2017
Submitted by: randimal
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 11, 2018
Observation date: Jul 20, 2018
Submitted by: Cactuswren1976
Region: San Miguel County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 07, 2018
Observation date: Jul 11, 2018
Submitted by: Cactuswren1976
Region: San Miguel County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 12, 2018
Observation date: Jul 02, 2016
Submitted by: janazak
Region: Yukon Territory, Canada
Verified by: davidwdroppers
Verified date: Jul 19, 2016
Observation date: Jun 22, 2016
Submitted by: janazak
Region: Yukon Territory, Canada
Verified by: davidwdroppers
Verified date: Jun 27, 2016
Observation date: Jul 13, 2015
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: azukoff
Verified date: Apr 07, 2016
Observation date: Aug 16, 2015
Submitted by: J_Martineau
Region: Sheridan County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jan 08, 2016
Observation date: Jul 12, 2015
Submitted by: David Trently
Region: Newfoundland and Labrador, Canada
Verified by: rosslayberry
Verified date: Oct 19, 2015
Observation date: Jul 02, 2015
Submitted by: ncrosbyrd
Region: Gunnison County, Colorado, United States
Verified by: mikefisher
Verified date: Sep 15, 2015
Observation date: Jul 10, 2015
Submitted by: janazak
Region: Yukon Territory, Canada
Verified by: davidwdroppers
Verified date: Sep 09, 2015
Observation date: Aug 07, 2014
Submitted by: Paul Prappas
Region: British Columbia, Canada
Verified by: Norbert Kondla
Verified date: Jul 10, 2015
Observation date: Aug 07, 2014
Submitted by: davidwdroppers
Region: Skagit County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 13, 2014
Observation date: Jul 06, 2014
Submitted by: janazak
Region: Yukon Territory, Canada
Verified by: Norbert Kondla
Verified date: Jul 19, 2014
Observation date: Aug 07, 2013
Submitted by: wvbirder
Region: Clallam County, Washington, United States
Verified by: davidwdroppers
Verified date: Mar 08, 2014
Observation date: Jul 24, 2013
Submitted by: J_Martineau
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Feb 12, 2014
Observation date: Aug 04, 2013
Submitted by: davidwdroppers
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Sep 01, 2013
Observation date: Jul 27, 2013
Submitted by: bellinca
Region: Okanogan County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 19, 2013
Observation date: Jul 11, 2013
Submitted by: sagebird52
Region: Albany County, Wyoming, United States
Verified by: J_Martineau
Verified date: Aug 02, 2013
Observation date: Jul 07, 1989
Submitted by: legacy.reporter (J. R. Reed)
Region: Yavapai County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: May 20, 2007
Submitted by: legacy.reporter (Jim Brock)
Region: Apache County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 01, 2012
Observation date: Sep 06, 2011
Submitted by: MCToshack
Region: Pierce County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 28, 2012
Observation date: Aug 12, 2011
Submitted by: Nancy Lea Sandy
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: May 16, 2012
Observation date: Aug 22, 2011
Submitted by: J_Martineau
Region: Park County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 17, 2011
Observation date: Aug 14, 2011
Submitted by: J_Martineau
Region: Johnson County, Wyoming, United States
Verified by: J_Martineau
Verified date: Dec 17, 2011
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