Abstract

The habitat selection and mate locating strategies of a woodland population of Pararge aegeria (L.) were studied in relation to climatic conditions which can affect activity. At low air temperatures most individuals bask on rides, open areas with high basking site temperatures. With increasing air temperature individuals use sunlit patches within woodland as basking sites, areas with basking site temperatures which are lower than on rides. Individuals alternate between basking and flying but spend longer periods in flight when air temperatures are highest. Mate locating strategies of males alternate between perching and patrolling, and are not as rigid as previously suggested. Patrolling males locate females at a faster rate than perched males but flights are restricted by the necessity to maintain high body temperatures. After periods of basking, thoracic temperatures are in the range 32-34.50C but flight causes a significant decrease in body temperature.

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