References

Checklist of Ontario Butterflies, 2012.  Jones, C.D. ,  Hamilton Naturalists Club, Ontario Ministry of Natural Resources & Ontario Nature.  ( available from  The Hamilton Naturalists Club )

Ontario Butterfly Atlas Online. (November 2013). Colin Jones, Ross Layberry, and Alan Macnaughton. Toronto Entomologists’ Association: http://www.ontarioinsects.org/atlas_online.htm

The ROM Field Guide to Butterflies of Ontario, 2013.  Hall, P.W.,  C.D. Jones, A. Guidotti, B. Hubley, Royal Ontario Museum, Toronto.

The Butterflies of Canada, 1998. Layberry, R.A., P.W. Hall, J.D. Lafontaine, University of Toronto Press, Toronto.

A Catalogue of the Butterflies of the United States and Canada, 2008. Jonathan Pelham, The Journal of Research on the Lepidoptera, Vol. 40.

Butterflies of the East Coast: An Observer's Guide, 2005.  Rick Cech and Guy Tudor, Princeton University Press, Princeton and Oxford.

Photo Field Guide to the Butterflies of Southern Ontario, 2003.  Ian Carmichael and Ann Vance, St. Thomas Field Naturalists Club, St. Thomas, ON.

Kaufman Field Guide to Butterflies of North America, 2003.  Brock, J.P., K. Kaufman, Hillstar Editions, Tucson.

The Butterflies of North America: A Natural History and Field Guide, 1986.  Scott, James A., Stanford University Press, Stanford, California.

Butterflies of the Ottawa District, 1982.  Layberry, R.A., J.D. Lafontaine and P.W. Hall.  Trail and Landscape 16(1): 3-59.

Checklist of the Butterflies of the Ottawa District, 1996. P. Hall,  R. Layberry,  D. Lafontaine, The Ottawa Field-Naturalists' Club, Ottawa.

Butterflies of the Ottawa District: 103 species...and counting, 2007.  Layberry, R.A..  Trail and Landscape 41(1): 16-36.

Le Guide des Papillons du Québec, 1999. Louis Handfield, Broquet, Ottawa.

Papillons et Chenilles du Québec et des Maritimes, 2012. Michel Leboeuf and Stéphane Le Tirant, Éditions Michel Quintin, Waterloo ( Québec ).