Andy Sands / Common Blue (Polyommatus icarus) Male at rest wings closed, on flower, Captive

Ross Hoddinott / Common blue butterfly {Polyommatus icarus) Cornwall, UK. June

Ross Hoddinott / Common blue butterfly {Polyommatus icarus} resting on Bee orchid {Ophrys apifera}, Bude, Cornwall.

Jose B. Ruiz / Common blue butterfly {Polyommatus icarus} Spain

Ross Hoddinott / Common blue butterfly {Polyommatus icarus} resting on plantain, Dorset. UK

Ross Hoddinott / Common blue butterfly {Polyommatus icarus} Dunsdon Nature Reserve (DWT), near Holsworthy, Devon. UK

Ross Hoddinott / Common blue butterfly {Polyommatus icarus} resting on bee orchid {Ophrys apifera}, Cornwall. UK

Ross Hoddinott / Common blue butterfly {Polyommatus icarus} Cornwall UK

Bernard Castelein / Silver studded blue butterflies {Plebejus argus} Kelmthoutse Heide, Belgium

Bernard Castelein / Silver studded blue butterfly {Plebejus argus} Kalmthoutse Heide, Belgium

Hans Christoph Kappel / Chalkhill blue butterfly {Polyommatus coridon} resting. Germany.

Geoff Scott-Simpson / Common blue butterfly {Polyommatus icarus} on Common spotted orchid {Dactylorhiza fuchsii} UK peakdale peak district NP