Subject
- Bulletin (United States. Division of Entomology)4
- Circular (United States. Bureau of Entomology)4
- Circular (United States. Division of Entomology)2
- Locust trees -- Diseases and pests2
- Locust-borer2
- Locust-borer -- Control2
- Pine -- Diseases and pests2
- Agrilus -- United States1
- Ambrosia beetles -- Gulf States1
- Ambrosia beetles -- South Atlantic States1
- Buprestidae -- Northwest, Pacific1
- Cheilosia1
- Chestnut -- Diseases and pests -- United States1
- Chestnut-borer -- United States1
- Conifers -- Diseases and pests -- United States1
- Cypress -- Wounds and injuries -- Gulf States1
- Cypress -- Wounds and injuries -- South Atlantic States1
- Forest insects1
- Forest insects -- Black Hills National Forest (S.D. and Wyo.)1
- Forest insects -- Northeastern States1