- Guenther, J. D. 1978. Genetic diversity among mountain pine beetle (Dendroctonus ponderosae Hopkins) populations attacking lodgepole pine and white pine in the Pacific Northwest (Coleoptera: Scolytidae). Unpublished thesis, University of Idaho, Moscow. 65 p.
- Stock, M. W., and J. D. Guenther. 1979. Isozyme variation among mountain pine beetle (Dendroctonus ponderosae) populations in the Pacific Northwest . Environmental Entomology 8:889-893.
- Stock, M. W., J. D. Guenther, and G. B. Pitman. 1978. Implications of genetic differences between mountain pine beetle populations to integrated pest management. Pages 197-204 in A. A. Berryman, G. D. Amman, R. W. Stark, and D. L. Kibbee (eds.), Theory and practice of mountain pine beetle management in lodgepole pine forests. Symposium, 25-27 April, Pullman, Washington. University of Idaho, College of Forest Resources. 220 p.
- Stock, M. W., G. B. Pitman, and J. D. Guenther. 1979. Genetic differences between Douglas-fir beetles (Dendroctonus pseudotsugae) from Idaho and coastal Oregon . Entomological Society of America, Annals 72:394-397.