Sonora skipper (Polites sonora) COSEWIC assessment and status report: chapter 13
Information Sources
Austin, G.T. 1998. New subspecies of Hesperiidae (Lepidoptera) from Nevada and California. Pp 523-532 in Systematics of Western North American butterflies, edited by T.C. Emmel. Gainesville, FL: Mariposa Press. 878 pp.
Dornfeld, E.J. 1980. The Butterflies of Oregon. Timber Press, Forest Grove, Oregon. 276 pp.
Gayton, D. 2003. British Columbia grasslands [electronic resource]: monitoring vegetation change Forrex extension note 7. Kamloops, BC. 49 pp. (http:www.forrex.org/publications/FORREXSeries/ss1paper24.pdf)
Guppy, C.S. and J.H. Shepard. 2001. Butterflies of British Columbia. University of British Columbia Press, Vancouver. 414 pp.
Hinchliff, J. 1996. An Atlas of Washington Butterflies. The Evergreen Aurelians, The Oregon State University Bookstore, Inc. Corvallis.162 pp.
Holland, W.J. 1931. The Butterfly Book, 2nd Edition. Doubleday, Doran & Co., Garden City, New York. 424 pp.
Howe, W.H. 1975. The Butterflies of North America. Doubleday & Co., Inc., Garden City, New York. 633 pp.
Kondla, N.G. 2003. The Sonora Skipper in British Columbia.Boreus 23(2):13-14. (http://esbc.harbour.com/boreus23_2.pdf)
Layberry, R.A., P.W. Hall and J.D. Lafontaine. 1998. The Butterflies of Canada. University of Toronto Press, Toronto. 354 pp.
Llewellyn-Jones, J.R. 1951. An annotated check list of the Macrolepidoptera of British Columbia. Entomological Society of British Columbia, Occasional Paper No. 1. 148 pp.
McDunnough, J. 1938. Check list of the lepidoptera of Canada and the United States of America. Part 1. Macrolepidoptera. Memoirs of the Southern California Academy of Sciences 1:
Newcomer, E.J. 1967. Life histories of three western species of Polites. Journal of Research on the Lepidoptera 5:243–247.
Pelham, J., pers. comm. Email correspondence to N. Kondla. June 2003.
Pyle, R.M. 2002. The Butterflies of Cascadia. Seattle Audubon Society, Washington. 420 pp.
Scott, J.A. 1986. The Butterflies of North America. A Natural History and Field Guide. Stanford University Press, Stanford. 583 pp.
Scott, J.A. 1992. Hostplant records for butterflies and skippers (mostly from Colorado) 1951-1991, with new life histories and notes on oviposition, immatures, and ecology. Papilio (New Series) 6:1-171.
Tilden, J.W. and A.C. Smith. 1986. A Field Guide to Western Butterflies. Houghton Mifflin Company, Boston. 370 pp.
Turner, J.S. and P.G. Krannitz. 2000. Tree encroachment in the south Okanagan and lower Similkameen valleys of British Columbia. C. Hollstedt, K. Sutherland and T. Innes (editors). Southern Interior Forest Extension and Research Partnership, Kamloops, BC, pp. 81-83.