something blue?

something blue?

Observation - something blue?. Description: Seen on arable land. Suspect this is the common blue ..... but finding it difficult to tell from pictures of Adonis blue....what is distinguishing feature. Unfortunately, didn't get shot with wings open.

Seen on arable land. Suspect this is the common blue ..... but finding it difficult to tell from pictures of Adonis blue....what is distinguishing feature. Unfortunately, didn't get shot with wings open.