Wolf Spider (image) Aarhus University Share Print E-Mail Caption The wolf spider Pardosa glacialis is extremely common in the Arctic tundra. If, in future, it produces two generations of offspring during a season, these may have a significant effect on the prey on which the spider lives. Credit Jörg U. Hammel Usage Restrictions May only be used with appropriate caption and credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.