Subject
Acleris variana
1
Aerial spraying and dusting in forestry
7
Aquatic invertebrates
1
Bacillus thuringiensis
19
Benthic animals
1
Benthos
1
Biocides
2
Biological control
4
Biological insecticides
1
Congresses
1
Control
9
Diflubenzuron
1
Diseases and pests
1
Effects of insecticides on
1
Environmental aspects
2
Forest insects
3
Forest insects -- Control -- Computer simulation
1
Hemlock looper
1
Insect pests
1
Insecticides
1
Pest management
2
Spruce budworm
13
Spruce budworm -- Control -- Computer simulation
1
Testing
1
Trees
1