Species Insects & ArthropodsSilvery Blue

Silvery Blue

Glaucopsyche lygdamus

UncommonInsect & Arthropod
Illustration of Silvery Blue (Glaucopsyche lygdamus)

The Silvery Blue is a small, bright blue butterfly with a distinctive row of black spots on the underside of its wings ringed in white, giving it a jeweled appearance. It has a single short flight period in spring and early summer. Males actively patrol low vegetation and often mud-puddle alongside other small blues.

Habitat
Open meadows, forest clearings, and chapparal
Diet
Larvae: flowers of vetches, lupines, and other legumes. Adults: nectar
How common
Uncommon

Best time to see a Silvery Blue

The best time to see a Silvery Blue is March–May, when about 70% of U.S. sightings happen, based on 10,244 research-grade iNaturalist observations.

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