Related by context. Frequent words. (Click for all words.) 53 climatic conditions 51 whitefly 51 bollworm 51 locust swarms 50 Aedes mosquito 50 insect populations 49 mosquito breeding 49 pollinating insects 48 insect borne diseases 48 cultivations 48 sown crops 47 fungal diseases 47 semi arid regions 47 locust 47 pesticide spraying 47 mosquito populations 47 lowland forests 47 arid lands 47 subtropical regions 47 pests 47 malaria dengue fever 46 fertile soils 46 insect pests 46 midge 46 insecticide spraying 46 mealy bug 46 cereal crops 46 mosquitoes 45 Infestations 45 fungal spores 45 climatically 45 arid regions 45 herbaceous plants 45 arable lands 45 El Nino phenomenon 45 Argentine ants 45 tsetse flies 45 subtropical climate 45 spider mites 44 locust plague 44 varroa 44 rainfed 44 insects 44 varroa mite 44 paddy cultivation 44 sugarcane cultivation 44 Cloud seeding 44 temperate forests 44 Culex mosquitoes 44 mosquito breeding sites 44 micro organism 44 drained soils 44 La Nina phenomenon 44 horticultural crops 44 vegetation 43 weed seeds 43 mosquitos 43 seed germination 43 Lake Natron 43 whiteflies 43 mealybugs 43 forbs 43 varroa mites 43 Aerial spraying 43 salinity 43 drylands 43 insecticidal 43 parasitic wasps 43 temperate regions 43 veld fires 43 cyclonic circulation 43 soils 43 aphid 43 Phytophthora 43 tsetse fly 43 ragweed pollen 43 inversion layer 43 locust invasion 43 biogeochemical 43 Aphids 43 species extinctions 43 Algae blooms 43 salvinia 43 cultivation 42 soil erosion 42 pest infestation 42 fungal 42 rice cultivation 42 infestations 42 frequent droughts 42 polar vortex 42 Dust mites 42 El Niños 42 prolonged droughts 42 temperate zones 42 mosquito 42 migrating waterfowl 42 semi arid 42 insolation 42 winged insects 42 warmer drier