Subject
- Insect-plant relationships3
- Insect baits and repellents2
- Insects -- Oregon -- Willamette River Valley -- Development2
- Pollination by insects2
- Tortricidae2
- Adelgidae1
- Aphididae1
- Aphididae -- Host plants1
- Aphididae as carriers of disease1
- Apomixis1
- Apples -- Diseases and pests1
- Aquatic insects1
- Aquatic insects -- Ecology -- Oregon1
- Aquatic insects -- Effect of pesticides on1
- Aquatic insects -- Effect of water quality on1
- Aquatic insects -- Food1
- Arid regions ecology -- Southwest, New1
- Artificial legs -- Mathematical models1
- Beneficial insects -- Habitat -- Oregon -- Willamette River Valley1
- Berries -- Diseases and pests -- Biological control -- Oregon -- Willamette River Valley1