ATTENTION This resource is in the process of moving to

http://www.butterflyguy.com/checkerspot/index.html

These pages are intended as a resource for people who are interested in studying the Euphydryas group of Butterflies. Much of the information will be of a technical nature of interest mainly to researchers as it covers publications in scientific journals. It is intended that eventually some references will be provided with links which lead to brief details about the paper in question.