Subject
- Borers (Insects) -- Control -- Oregon1
- Borers (Insects) -- Oregon1
- Dairy cattle -- Parasites -- Control1
- Entomopathogenic fungi1
- Forest insects -- Biological control1
- Hymenoptera1
- Insect pests -- Control1
- Insect pests -- Control -- Oregon1
- Insect pollinators -- Effect of insecticides on1
- Insects -- Northwest, Pacific1
- Ornamental shrubs -- Diseases and pests -- Oregon1
- Ornamental trees -- Diseases and pests -- Oregon1
- Parasitic insects1
- Trees -- Diseases and pests -- Oregon1