Unidentified Blue Butterfly

Unidentified Blue Butterfly

Observation - Unidentified Blue Butterfly. Description: Blue butterfly seen in Suffolk about 30-35mm wingspan. I had hoped would be Star Studded Blue but no typical brown outer ring on upperside wings. Can't easily identify. It's not a common blue is it??

Blue butterfly seen in Suffolk about 30-35mm wingspan. I had hoped would be "Star Studded" Blue but no typical brown outer ring on upperside wings. Can't easily identify. It's not a common blue is it??