Subject
- Agrilus -- United States1
- Bulletin (United States. Division of Entomology)1
- Buprestidae -- Northwest, Pacific1
- Chestnut -- Diseases and pests -- United States1
- Chestnut-borer -- United States1
- Circular (United States. Division of Entomology)1
- Forest insects -- Northwest, Pacific1
- Insect pests -- Northwest, Pacific1
- Scolytidae -- Northwest, Pacific1
- Trees -- Diseases and pests -- Northwest, Pacific1