Celastrina argiolus
Scientific NameCelastrina argiolus
FamilyLycaenidae
SubfamilyPolyommatinae
Wingspan (mm)26-34 mm
HabitatFound in a variety of habitats including woodlands, hedgerows, gardens, parks, and urban areas, often in close proximity to its larval food plants.
Flight Periodspring
Conservation StatusLeast Concern (Globally, generally common and widespread)
Description
The Holly Blue is a small, delicate butterfly. Males are typically bright blue on the upperside, often with a narrow dark border. Females are generally blue with a broader black border on the forewings, which can sometimes extend to the hindwings. The underside is a pale silvery-blue or white, usually with small, faint black spots that may be absent.
