Which Frit?

Which Frit?

Observation - Which Frit? - UK and Ireland. Description: A butterfly which Andy Culshaw and I found last weekend. In the field this seemed clearly PBF but looking at the photo my certainty has declined to about 90%. A definite SPBF from that trip is at http://ispot.org.uk/node/36363

A butterfly which Andy Culshaw and I found last weekend. In the field this seemed clearly PBF but looking at the photo my certainty has declined to about 90%. A definite SPBF from that trip is at http://ispot.org.uk/node/36363