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Silver-banded Hairstreak Chlorostrymon simaethis


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Silver-banded Hairstreak, male
credit: Anne Toal/CCSA

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Family: Lycaenidae, Gossamer-wing Butterflies view all from this family

Description The Silver-banded Hairstreak (Chlorostrymon simaethis) is a North and South American butterfly in the family Lycaenidae. It is also known as St. Christopher's Hairstreak and the Key Lime Hairstreak.

The upper side of the wings is dark, iridescent purple in males. Females are grayish-brown, sometimes having iridescent purple on the basal area of the wings. The underside of the wings is bright, lime green in both sexes. Both wings have a bright silvery-white postmedian band. The silver band on the hind wing juts out towards the margin and turns back in, forming a "V" shape. Beyond this band, there is a dark brownish-red patch with a variable amount of silvery-white frosting. The frosting extends across the entire edge of the hind wing. The hind wings have one pair of tails. The wingspan ranges from 2.2 to 3.2 cm.

Dimensions The wingspan ranges from 2.2 to 3.2 cm.

Habitat Scrub, shrub & brushlands.

Range Southwest, California, Florida, Texas.