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.
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Verified Sightings
Displaying 49 - 72 of 275 verified sightings
Observation date: Jul 09, 2020
Submitted by: Cactuswren1976
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 12, 2020
Observation date: Jul 01, 2020
Submitted by: MAKI
Region: Coconino County, Arizona, United States
Verified by: CA Ivy
Verified date: Jul 11, 2020
Observation date: Jun 18, 2020
Submitted by: PEEC
Region: New Mexico, United States
Verified by: stevecary
Verified date: Jun 25, 2020
Observation date: Jun 11, 2020
Submitted by: dbrudin
Region: Teller County, Colorado, United States
Verified by: A_baldini
Verified date: Jun 16, 2020
Observation date: May 29, 2020
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 02, 2020
Observation date: May 25, 2020
Submitted by: AaronB
Region: Montana, United States
Verified by: J_Martineau
Verified date: May 26, 2020
Observation date: Jul 09, 2019
Submitted by: stevecary
Region: Colfax County, New Mexico, United States
Verified by: stevecary
Verified date: Jan 28, 2020
Observation date: Jun 28, 2019
Submitted by: stevecary
Region: New Mexico, United States
Verified by: stevecary
Verified date: Jan 27, 2020
Observation date: Jul 28, 2019
Submitted by: A_baldini
Region: Larimer County, Colorado, United States
Verified by: A_baldini
Verified date: Oct 18, 2019
Observation date: Jun 28, 2019
Submitted by: ncrosbyrd
Region: Park County, Colorado, United States
Verified by: A_baldini
Verified date: Sep 19, 2019
Observation date: Jun 30, 2019
Submitted by: dsperanza
Region: Powell County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 10, 2019
Observation date: Jul 01, 2019
Submitted by: Dwaine Wagoner
Region: Natrona County, Wyoming, United States
Verified by: J_Martineau
Verified date: Jul 08, 2019
Observation date: Jun 22, 2019
Submitted by: regina rochefort
Region: Skagit County, Washington, United States
Verified by: davidwdroppers
Verified date: Jun 23, 2019
Observation date: Jul 17, 2017
Submitted by: hydapse
Region: Carbon County, Montana, United States
Verified by: J_Martineau
Verified date: Feb 01, 2019
Observation date: Aug 08, 2018
Submitted by: davidwdroppers
Region: Snohomish County, Washington, United States
Verified by: davidwdroppers
Verified date: Dec 07, 2018
Observation date: Aug 06, 2007
Submitted by: Martin Reid
Region: Anchorage, Alaska, United States
Verified by: Norbert Kondla
Verified date: Nov 24, 2018
Observation date: Aug 18, 2018
Submitted by: weflybye
Region: Grays Harbor County, Washington, United States
Verified by: davidwdroppers
Verified date: Aug 20, 2018
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
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