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Black, S. H., and D. M. Vaughan. 2005. “Species Profile: Euchloe ausonides insulanus.” in Shepherd, M. D., D. M. Vaughan, and S. H. Black (eds). Red List of Pollinator Insects of North America. CD-ROM Version. The Xerces Society for Invertebrate Conservation. Portland, OR.

Letourneau, D.K., G.S. Robinson, and J.A. Hagen. 2003. “Bt crops: Predicting effects of escaped transgenes on the fitness of wild plants and their herbivores.” Environmental Biosafety Research 2: 219–246.

Pyle, R.M. 2002. The Butterflies of Cascadia. Seattle Audubon Society. Seattle, WA.

Guppy, C.S., and J.H. Shepard. 2001. Butterflies of British Columbia: Including Western Alberta, Southern Yukon, the Alaska Panhandle, Washington, Northern Oregon, Northern Idaho, and Northwestern Montana. University of British Columbia Press. Vancouver, BC.

Shepard, J.H. 2000. Status of Five Butterflies and Skippers in British Columbia. Wildlife Working Report No. WR-101, British Columbia Ministry of the Environment, Victoria, BC.

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

Capital Regional District. 1997. Report on the Environment: Monitoring Trends in the Capitol Region.

Barry, J. W., P. J. Skyler, M. E. Teske, J. A. Rafferty, and B. S. Grim. 1993. “Predicting and measuring drift of Bacillus thuringiensis sprays.” Environmental Toxicology and Chemistry 12:1977-1989.


Photo © Bill Yake