Silvery Blue (Glaucopsyche lygdamus)

Silvery Blues are widespread across the continent with several recognized subspecies. They are single brooded, flying only in springtime, and in NC this species is rare to uncommon and found only in the mountains.
Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia)
Rock Creek, Missoula Co., MT
7 May 2012


Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus oro)
Park City, UT
14 June 2005

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Clay Co., NC
14 May 2005
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Clay Co., NC
14 May 2005

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Clay Co., NC
21 May 2005

Carolina Vetch Carolina Vetch (Vicia caroliniana)
is the main host plant for Silvery Blues in North Carolina.

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Madison Co., NC
9 Apr 2012
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Madison Co., NC
9 Apr 2012

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Madison Co., NC
9 Apr 2012
Silvery Blue (Glaucopsyche lygdamus nittanyensis)
Madison Co., NC
9 Apr 2012


Below are Washington Silvery Blues
Silvery Blue (Glaucopsyche lygdamus) Boisduval's Blue (Plebejus icarioides)
Silvery Blue (Glaucopsyche lygdamus columbia)
Mt. Rainier, WA
9 Aug 2004
Silvery Blue (Glaucopsyche lygdamus columbia)
Reflection Lakes, Mt. Rainier, WA
10 Aug 2004


Below are Montana Silvery Blues
Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) #4815
Silvery Blue (Glaucopsyche lygdamus)
Stone Creek, Gallatin Co., MT
9 June 2016

#4661
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016
#4660
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016

#4640
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016
#4664
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016

#4679
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016
#4680
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016

#4602
Silvery Blue (Glaucopsyche lygdamus)
Highwood Creek, Chouteau Co., MT
8 June 2016

Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
Rock Creek, Missoula Co., MT
7 May 2012

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
Rock Creek, Missoula Co., MT
7 May 2012
Silvery Blue (Glaucopsyche lygdamus columbia)
Rock Creek, Missoula Co., MT
7 May 2012

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
6 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
6 May 2014

Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
6 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
25 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
19 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
19 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
19 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
19 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
22 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
24 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
28 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
25 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
1 May 2015

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
18 May 2015

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
18 May 2015

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
9 May 2015
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
12 June 2015

Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
2 May 2016
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
2 May 2016

Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
26 May 2016
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
30 May 2016

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
Near Condon in Swan Valley, Missoula Co., MT
6 June 2014
Silvery Blue (Glaucopsyche lygdamus columbia) eggs
MPG Ranch, Missoula Co., MT
4 June 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
27 May 2014

I watched a female Silvery Blue lay these eggs on Lupine.


Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
27 May 2014
Silvery Blue (Glaucopsyche lygdamus columbia)
MPG Ranch, Missoula Co., MT
29 May 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia) caterpillar on lupine
MPG Ranch below Mt. Baldy, Missoula Co., MT
22 July 2014

Silvery Blue caterpillars are often tended by ants. Ants protect the caterpillar from enemies, and the caterpillars produce a nectar-type substance for the ants to consume.


Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia) caterpillar on lupine
MPG Ranch below Mt. Baldy, Missoula Co., MT
22 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia) caterpillar on lupine
MPG Ranch below Mt. Baldy, Missoula Co., MT
22 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus columbia) caterpillar on lupine
MPG Ranch below Mt. Baldy, Missoula Co., MT
22 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus)
Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014
Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014

Silvery Blue (Glaucopsyche lygdamus) Silvery Blue (Glaucopsyche lygdamus) caterpillar on lupine
Francis Peak, UT
15 July 2014


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Created on ... May 17, 2005 | jeffpippen9@gmail.com