colias philodice/eriphyle

[Kondla, Norbert FOR:EX]

I seem to be having trouble finding a published paper that presents the
rationale or any data for treating these two taxa as one species.  If you
know of such evidence or even opinion-based rationale; plse drop me a line.
Thx
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Norbert Kondla  P.Biol., RPBio.
Forest Ecosystem Specialist, Ministry of Environment
845 Columbia Avenue, Castlegar, British Columbia V1N 1H3
Phone 250-365-8610
Mailto:Norbert.Kondla at gems3.gov.bc.ca
http://www.env.gov.bc.ca