Northern Blue

Plebejus idas (Lycaeides idas)

General Status Rank: 
Secure
ELCODE: 
IILEPG5010
Common Name: 
Northern Blue
Scientific Name: 
Plebejus idas (Lycaeides idas)
Naming References: 
H213
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Taxonomy
Group: 
Lepidoptera (Butterfly)
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Lepidoptera
Family: 
Lycaenidae
References: 
B058
General Biology

Longevity

one generation per year
References: 
B058
Habitat
larvae = various Fabaceae adults = in sphagnum bogs with crowberry
References: 
B058
Distribution

Ecozones

Southern Arctic, Taiga Cordillera, Taiga Plains, Taiga Shield, Boreal Plains
References: 
B058

Distribution

0.49
Score: 
G
References: 
B058

Number of Occurrences

11 (B058); one additional site at Norman Wells (4 specimen)These are the first records from Norman Wells; previously there were no records from the whole Mackenzie Valley (HAV1); 43 (B205)
Score: 
CE
References: 
B058
HAV1
B205

Historical Distribution

Coast to coast in Canada, north in the west to the arctic coast,but a bit more northern.
References: 
HAV1

Area of Occupancy

Score: 
-
Population

Population Size

often abundant
Score: 
FH
References: 
B058
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
S Rank: 
S4S5
Decision Process Description: 
Ranks drafted by Norbert Kondla; Present in Inuvialuit, Gwich'in, Sahtu, (probably present in Deh Cho), North Slave, South Slave: ; Reviewed in 2010, no change; Reviewed in 2015, no change
Last Updated: 
June 17, 2015

References

Ecozones

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Habitat

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Historical Distribution

  • Layberry, Ross (2005) Butterflies from Sahtu - Update. E-mail from Ross to A. Veitch on 7 Feb 2005 - details on identification and location of species collected at Jawbone lake, and Norman Wells in summer 2004 Reference binder - HAV1 Return

Longevity

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Naming

  • Pelham, J. P. (2008) A catalogue of the butterflies of the United States and Canada.. The Lepidoptera Research Foundation Inc: 672 pp. - H213 Return

NWT Known Subspecies

Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Number of Occurrences

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return
  • Layberry, Ross (2005) Butterflies from Sahtu - Update. E-mail from Ross to A. Veitch on 7 Feb 2005 - details on identification and location of species collected at Jawbone lake, and Norman Wells in summer 2004 Reference binder - HAV1 Return
  • ENR (2013) Butterflies of the Northwest Territories. Version January 2013 Booklet http://www.enr.gov.nt.ca/sites/default/files/documents/butterfly_book_2013.pdf - B205 Return

Population Size

Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Range Extent

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return

Taxonomy

  • Layberry RA, Hall PW, and Lafontaine JD (1998) The Butterflies of Canada. University of Toronto Press Incorporated RWED Library Call #QL552.L39 - B058 Return