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

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus)butterfly on Forget-me-not (Myosotris sp) flower, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) egg, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly egg on tree bud, Knegsel, Noord-Brabant, Netherlands

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

Andy Sands / Purple Hairstreak {Quercusia quercus} On Oak leaf wings closed, Captive, UK.

Andy Sands / Purple hairstreak butterfly {Quercusia quercus} resting. UK.

Robin Chittenden / Purple hairstreak {Quercusia quercus} UK

Duncan Mcewan / Purple Hairstreak Butterfly (Neozephyrus quercus Scotland, UK

Duncan Mcewan / Purple Hairstreak Butterfly (Neozephyrus quercus Scotland, UK

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

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly on leaf, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly on leaf, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) caterpillar emerging from egg, Knegsel, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) caterpillar, Knegsel, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) caterpillar emerging from egg, Knegsel, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly egg on tree bud, Knegsel, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly egg on tree bud, Knegsel, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly egg, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) caterpillar, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly female on a leaf, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) butterfly chrysalis on a leaf, Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Purple Hairstreak (Neozephyrus quercus) caterpillar, Hoogeloon, Noord-Brabant, Netherlands

Robert Thompson / Purple hairstreak butterfly (Neozephyrus quercus resting on leaf with wings open, Crom Estate, County Fermanagh, Northern Ireland, UK, August

Robert Thompson / Purple hairstreak butterfly (Neozephyrus quercus resting on leaf with wings closed, Crom Estate, County Fermanagh, Northern Ireland, UK, August