This nearly white female was at Swan Harbor on August 16th, 2013.

I saw this one at Swan Harbor on August 3rd, 2014.

This one was there on June 13th, 2015.

This one was at Swan Harbor on July 19th, 2015.

I saw this one near Assateague Island on January 16th, 2016. Yes, I saw a butterfly in January.

I saw this female at Swan Harbor on July 2nd, 2016.