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
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Verified Sightings
Displaying 1 - 24 of 241 verified sightings
Observation date: Jul 13, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 22, 2021
Observation date: Jul 14, 2021
Submitted by: PDunwiddie
Region: Madison County, Montana, United States
Verified by: J_Martineau
Verified date: Jul 18, 2021
Observation date: Jul 13, 2021
Submitted by: weflybye
Region: Mason County, Washington, United States
Verified by: davidwdroppers
Verified date: Jul 14, 2021
Observation date: Jul 09, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 11, 2021
Observation date: Jul 05, 2021
Submitted by: twofried
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 09, 2021
Observation date: Jun 10, 2021
Submitted by: rebeccagracey
Region: Bernalillo County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 15, 2021
Observation date: Jun 08, 2021
Submitted by: topper72
Region: Los Alamos County, New Mexico, United States
Verified by: stevecary
Verified date: Jun 15, 2021
Observation date: Jun 21, 2020
Submitted by: stevecary
Region: Hinsdale County, Colorado, United States
Verified by: azukoff
Verified date: Nov 23, 2020
Observation date: Jul 14, 2020
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 22, 2020
Observation date: Jul 11, 2020
Submitted by: stevecary
Region: Rio Arriba County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 20, 2020
Observation date: Jul 02, 2020
Submitted by: stevecary
Region: Santa Fe County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 13, 2020
Observation date: Jul 09, 2020
Submitted by: Harry Forbes
Region: Colorado, United States
Verified by: azukoff
Verified date: Sep 02, 2020
Observation date: Aug 05, 2020
Submitted by: Harry Forbes
Region: Park County, Colorado, United States
Verified by: A_baldini
Verified date: Aug 16, 2020
Observation date: Jul 10, 2020
Submitted by: Harry Forbes
Region: Taos County, New Mexico, United States
Verified by: stevecary
Verified date: Jul 27, 2020
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
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