- Jacobi, A. 1906. Grundriss der Zoologie fur Forstleute Erganzungsband zu Lorey's Handbuch der Forstwissenschaft [Scolytidae, p 145-149]. H. Laupp, Tubingen 263 pp. pp..
- Jacobi, W. 1992. Potential insect vectors of the black stain root disease pathogen on southern Vancouver Island . Journal of the Entomological Society of British Columbia 89:54-56.
- Jacobi, W. 1993. Insects emerging from lodgepole pine infected by Commandra blister rust. United States Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station (Ft. Collins, CO), Research Note RM-519.