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The olive hairstreak, Callophrys gryneus, is a small North American butterfly in the family Lycaenidae. It is also widely known as the juniper hairstreak because its larvae feed on junipers, including eastern red cedar, while adults visit flowers for nectar. The underside of the wings is typically g...
Parrhasius m-album, the White-M Hairstreak, is an eastern North American butterfly named for a distinctive white 'M' marking on the hindwing underside, with oaks as its larval host.
Calycopis cecrops, the Red-banded Hairstreak, is a small eastern North American butterfly recognized by a vivid red postmedian band on the hindwing underside, with larvae feeding on decaying leaves.
Callophrys henrici, Henry's Elfin, is a spring-flying eastern North American hairstreak whose larvae feed on redbud (Cercis canadensis), hollies (Ilex), and several other shrubs.
Satyrium acadica, the Acadian Hairstreak, is a North American butterfly ranging from Canada to the northern United States whose caterpillars feed exclusively on willows (Salix).
Callophrys polios, the Hoary Elfin, is a small North American hairstreak restricted to northern heathlands where its sole larval host, bearberry (Arctostaphylos uva-ursi), grows.
Callophrys niphon, the Eastern Pine Elfin, is a North American hairstreak closely tied to pines, with caterpillars feeding on young needles of various Pinus species across eastern North America.
Satyrium favonius, the Oak Hairstreak, is an eastern North American butterfly whose larvae depend on oaks (Quercus) and which inhabits woodland edges from the Great Plains to the Atlantic coast.
Callophrys augustinus, the Brown Elfin, is a small, widespread North American hairstreak ranging coast to coast whose larvae feed on heath-family plants (Ericaceae) including blueberry and manzanita.
Callophrys eryphon, the Western Pine Elfin, is a western North American hairstreak ecologically parallel to its eastern counterpart, with larvae dependent on pine (Pinus) needles.
Satyrium caryaevorus, the Hickory Hairstreak, is an eastern North American butterfly whose caterpillars feed primarily on hickory (Carya) and ash foliage in deciduous woodland.
