Subject
- Agricultural pests -- Control -- Congresses2
- Colorado potato beetle -- Control2
- Green peach aphid -- Control2
- Geocoris -- Columbia River Watershed1
- Green peach aphid -- Columbia River Watershed1
- Green peach aphid -- Control -- Columbia River Watershed1
- Insecticides -- Research1
- Orius -- Columbia River Watershed1
- Paratrioza cockerelli -- Columbia River Watershed1
- Paratrioza cockerelli -- Control -- Columbia River Watershed1
- Phytopathogenic bacteria -- Columbia River Watershed1
- Potato aphid -- Columbia River Watershed1
- Potato aphid -- Control -- Columbia River Watershed1
- Potatoes -- Diseases and pests -- Columbia River Watershed1
- Predatory insects -- Columbia River Watershed1
- Wireworms -- Control1