Birgersson, G., M. Dalusky, K. Espelie, and C. Berisford. 1992. Isolation and identification of kairomones utilized by southern pine beetle parasitoids. Page 30 In Douglas C. Allen and L.P. Abrahamson (eds.), Proceedings: North American Forest Insect Work Conference, Denver, Colorado, March 25-28, 1991. United States Department of Agriculture, Forest Service, Pacific Northwest Research Station (Portland, OR), General Technical Report PNW-GTR-294.