Pathogens, Parasites and Infectious Diseases (Wild Animals), (New March 2000) 21 Infectious diseases 17 Natural enemies 16 Plant Pests, (New March 2000) 13 Biological Control 12 Biological control agents 12 Entomopathogens 12 Pathogens 12 Biological control 10 Plant pests 10 Pest control 9 Entomophilic nematodes 8 Human diseases 8 Insects 8 Epidemiology 7 Man 7 Nematoda 7 Prion, Viral, Bacterial and Fungal Pathogens of Humans, (New March 2000) 7 Protozoan, Helminth and Arthropod Parasites of Humans, (New March 2000) 7 Taxonomy 7 Predators 6 Taxonomy and Evolution 6 Behaviour 5 Behaviour (Wild Animals), (New March 2000) 5 Diagnosis 5 Host Resistance and Immunity 5 Immunology 5 Insect control 5 Insect pests 5 Pesticides and Drugs; Control, (New March 2000) 5