Insects (Entomology) 328 Entomology 316 Insects 244 Microbiology 90 Insect pests 74 Medical microbiology 49 Pest control 49 Parasitology 43 Biological control 39 Zoology 39 Insect control 38 Pests 32 Plant Pests, (New March 2000) 32 Agricultural Entomology 31 Immunology 30 Communicable diseases 29 Immunity 27 Insect - Physiology 27 Pathology 27 Plant Biotechnology 27 Natural enemies 26 Plant Pathology 26 Plant pests 26 Medicine 25 insects 25 Ecology 24 Infection 24 Molecular biology 24 introduction 24 Insecticides 23