This report concludes Phase I of the study. The report provides a basic descriptive account of Forest Service insect/disease management programs. The results of this report were used to develop issues and choose case studies for further analysis in Phases II and III. Conclusions stated herein are preliminary and presented for the purpose of summary. A companion report summarizes USDA-Forest Service weed management programs. Both insect/disease and weed management reports will include an economic perspective of Forest Service pest management as an addendum.