Entomopathogens Natural enemies 13 Pathogens 13 Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 12 Plant Pests, (New March 2000) 11 Biological control agents 10 Biological Control 9 Entomophilic nematodes 9 Biological control 8 Insects 8 Plant pests 8 Pest control 7 Insect pests 6 Taxonomy 6 Insect control 5 Nematoda 5 Plant pathogens 5 Plant parasitic nematodes 4 Predators 4 Taxonomy and Evolution 4 Viral, Bacterial and Fungal Diseases of Plants, (New March 2000) 4 Behaviour 3 Behaviour (Wild Animals), (New March 2000) 3 Chemical control 3 Parasites 3 Reproduction, Development and Life Cycle (Wild Animals), (New March 2000) 3 Anatomy and Morphology (Wild Animals), (New March 2000) 2 Animal Ecology 2 Animal behaviour 2 Arthropod pests 2