Chalk Hill Blue vs Green Hairstreak
Side-by-side species comparison
| Attribute | Chalk Hill Blue | Green Hairstreak |
|---|---|---|
| Scientific Name | Polyommatus coridon | Callophrys rubi |
| Order | Lepidoptera | Lepidoptera |
| Family | Lycaenidae | Lycaenidae |
| Size | Wingspan 33-40mm | Wingspan 26-34mm |
| Habitat | Grasslands | Heathland |
| Diet | Herbivores | Herbivores |
| Regions | Europe | Europe, Asia, Africa |
| Conservation | Least Concern | Least Concern |
Chalk Hill Blue
A large blue butterfly with silvery-blue males and brown females. Restricted to chalk and limestone grasslands.
Did You Know?
Males have an ethereal silvery-blue tone unique among European butterflies, visible in large numbers on chalk hills.
Green Hairstreak
A small butterfly with plain brown uppersides but stunning iridescent green undersides. It always rests with wings closed showing only the green underside.
Did You Know?
It is the only green butterfly in Britain and its color comes from photonic crystals in the wing scales not pigment.