Glaucopsyche lygdamus
| Silvery blue | |
|---|---|
| G. l. couperi, Ottawa, Ontario, Canada | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Arthropoda | 
| Class: | Insecta | 
| Order: | Lepidoptera | 
| Family: | Lycaenidae | 
| Genus: | Glaucopsyche | 
| Species: | G. lygdamus  | 
| Binomial name | |
| Glaucopsyche lygdamus (Edward Doubleday, 1841)  | |
| Subspecies | |
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 See text  | |
Glaucopsyche lygdamus, the silvery blue, is a small butterfly native to North America.