- Katovich, S. A., and M. E. Ostry. 1998. Insects associated with butternut and butternut canker in Minnesota and Wisconsin. The Great Lakes Entomologist 3197-108.
- Katovich, S., and M. Ostry. 1998. Insects associated with butternut and butternut canker in Minnesota and Wisconsin . The Great Lakes Entomologist 31:97-108.