The Silvery Blue is a species of glossy blue butterflies that are exclusively found in North America. The upperside of the male is iridescent silvery blue with narrow dark borders; the female is darker blue with wide borders. Both sexes have white fringe. The underside is gray-brown; both wings have a row of white-ringed round black spots.


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Silvery Blue Facts

Butterfly Family: Gossamer-Winged (Lycaenidae)

Butterfly Subfamily: Polyommatinae

Butterfly Wingspan: 7/8 – 1 1/4 inches

Butterfly Habitat: A variety of locations including open woods, coastal dunes, prairies, meadows, road edges, rocky moist woods, and brushy fields


Silvery Blue Host and Nectar Plants

Host Plants:

  • Various species in the Fabaceae family
    • Astragalus
    • Lotus
    • Lupinus
    • Melilotus
    • Lathyrus Vicia
    • Oxytropis
    • Veiny Pea

Nectar Plants:

  • Buttercups
  • Dandelions
  • Nectar from various flowers in the Asteraceae family