Gnophaela Vermiculata on Timberline Lake Trail

I had difficulty identifying this butterfly we have seen often in the Beartooth Mountains, so I submitted my picture for professional evaluation to www.butterfliesandmoths.org.  I received an answer that this is, in fact, a moth.  Here is the info below:

http://www.butterfliesandmoths.org/species/Gnophaela-vermiculata