The Juniper Hairstreak, also known as the Olive Hairstreak or Olive Juniper Hairstreak, is a small butterfly which is dark brown or green, with lighter rust-colored patches. The hindwings beneath are green, with two white marks near the base, along with a white line edged inwardly with reddish brown.


Juniper Hairstreak” by Ronnie Pitman, licensed under (CC BY-NC 2.0)


Juniper Hairstreak Facts

Butterfly Family: Gossamer-Winged (Lycaenidae)

Butterfly Subfamily: Theclinae

Butterfly Wingspan: 1 – 1 1/4 inches

Butterfly Habitat: Old fields, bluffs, barrens, juniper and pinyon-juniper woodlands, and cedar breaks


Juniper Hairstreak Host and Nectar Plants

Host Plants:

  • Red Cedar

Nectar Plants:

  • Dogbane
  • Winter Cress
  • Wild Carrot
  • Butterfly Weed
  • Shepherd’s Needle
  • Common Milkweed
  • White Sweet Clover
  • Rattlesnake Master
  • Ox-eye Daisy
  • Chokecherry
  • Lanceleaf Gumweed