Glaucopsyche lygdamus

Glaucopsyche lygdamus, the silvery blue, is a small butterfly native to North America. Its upperside is a light blue in males and a dull grayish blue in females. The underside is gray with a single row of round spots of differing sizes depending upon the region.

Contents

• Silvery blue glaucopsyche lygdamus
• Glaucopsyche lygdamus
• Similar species
• Subspecies
• References

G. lygdamus is found over much of the western United States and most of Canada extending north excepting most of Nunavut and the high Arctic islands. Wingspan is from 18 to 28 mm.