Andy Sands / Purple Hairstreak {Quercusia quercus} male on Oak leaf with wings partially open, Captive, UK

Andy Sands / Purple hairstreak butterfly (Neozephyrus quercus) Roosting on an Oak leaf, Hertfordhire, England, UK, June

Andy Sands / Purple hairstreak (Neozephyrus quercus) female with wings closed, Hertfordshire, England, UK, July

Andy Sands / Purple hairstreak butterfly (Neozephyrus quercus) female with wings open, Hertfordshire, England, UK, July. Focus Stacked Image

MYN / Dirk Funhoff / Purple hairstreak butterfly (Favonius quercus), Lorsch, Hessen, Germany. June. Meetyourneighbours.net project

MYN / Dirk Funhoff / Purple hairstreak butterfly (Favonius quercus) pupa, Lorsch, Hessen, Germany. June. Meetyourneighbours.net project

Robin Chittenden / Purple Hairstreak (Neozephyrus quercus) Suffolk, England, UK, August.

Jussi Murtosaari / Purple hairstreak butterfly (Favonius quercus) female on oak leaf, Aland Islands, Finland, August.

Jussi Murtosaari / Purple hairstreak butterfly (Favonius quercus) female on oak leaf, Aland Islands, Finland, August.

Andy Sands / Purple Hairstreak (Neozephyrus quercus female with wings open, Captive, England, UK, July

Andy Sands / Purple Hairstreak (Neozephyrus quercus male with wings open, Captive, England, UK, July

Duncan Mcewan / Purple Hairstreak Butterfly (Neozephyrus quercus on leaf, Scotland