Subject
- Report (United States. Forest Service. Northern Region. Forest Pest Management)3
- Douglas fir tussock moth -- Biological control -- Idaho -- Clearwater National Forest2
- Douglas fir tussock moth -- Idaho2
- Douglas fir tussock moth -- Montana2
- Douglas fir -- Diseases and pests -- Control1
- Douglas fir -- Diseases and pests -- Idaho1
- Douglas fir -- Diseases and pests -- Montana1
- Douglas fir -- Idaho -- Diseases and pests -- Computer simulation1
- Douglas fir tussock moth -- Control1
- Douglas fir tussock moth -- Idaho -- Computer simulation1
- Douglas fir tussock moth -- Larvae -- Mortality1