Mcguffin, W.C.
Guide to the geometridae of Canada(lepidoptera): subfamilyy ennominae 2 - Ottawa The Entomological Society of Canada 1977 - 191 p.
595.78 / MAC
Guide to the geometridae of Canada(lepidoptera): subfamilyy ennominae 2 - Ottawa The Entomological Society of Canada 1977 - 191 p.
595.78 / MAC