Outbreaks of the Western Spruce Budworm in the American Northern Rocky Mountain Area from 1922 Through 1971

---

Western Spruce Budworm in Idaho and Montana, 1976

---

Sampling Populations of Western Spruce Budworm and Predicting Defoliation on Douglas-fir in Eastern Oregon

---

The Western Spruce Budworm Model

---

Comparison of Western Spruce Budworm Populations and Damage on Grand Fir and Douglas-fir Trees

---

Spruce Budworms Handbook

---

User's Guide to the Western Spruce Budworm Modeling System

---

The Western Spruce Budworm Dynamics Model

---

Indexing Western Spruce Budworm Activity Through Radial Increment Analysis

---

Larval Densities and Trends of Insect Species Associated with Spruce Budworms in Buds and Shoots in Oregon and Washington

---