Is this a Brimstone Butterfly - Gonepterix rhammi

Wonder if someone could ID this butterfly please, I think it may be a Brimstone, never seen one until yesterday, beautiful colour it was

Yes it is Babs, a male Brimstone. Gonepterix rhammi

Lovely photo. :)

Thanks rolf and for sexing it it too, much appreciated:)

Yes. The master is correct.
Cracking capture. Well done

Cheers chocky, really enjoyed chasing the butterflys yesterday:)