Mitoura
Guides
Callophrys gryneus gryneus
Olive Hairstreak, Juniper Hairstreak
Callophrys gryneus gryneus is a subspecies of the juniper hairstreak butterfly found in eastern North America. This small lycaenid butterfly is closely associated with juniper host plants, particularly species of Juniperus. The subspecific designation reflects geographic and phenotypic variation within the broader C. gryneus complex, which has been the subject of taxonomic debate regarding species boundaries. Adults are typically observed in spring and early summer.
Callophrys gryneus nelsoni
Nelson's Hairstreak, Nelson's Juniper Hairstreak
Callophrys gryneus nelsoni is a western North American subspecies of juniper hairstreak butterfly. Its taxonomic status has been debated, with some authorities treating it as a distinct subspecies while others have elevated it to full species rank as Mitoura nelsoni. DNA barcode studies indicate it is genetically divergent from other C. gryneus populations, though the magnitude of divergence is comparable to that seen between other recognized species in the genus. Adults are associated with juniper woodlands.