Related by context. Frequent words. (Click for all words.) 65 locusts 62 locust 59 Locusts 54 Rift Valley Fever 53 Sahel region 52 infestations 52 weevil 51 grasshoppers 50 desertification 50 mosquito populations 50 cereal crops 50 flying foxes 50 insects 49 midges 49 caterpillars 49 stem rust 48 Sahel 48 pests 48 cane toads 48 aphid 48 Desertification 48 prolonged drought 47 cholera outbreaks 47 toads 47 midge 47 insect pests 47 weevils 47 spider mites 47 aphids 47 pastoralists 46 insect populations 46 fungal disease 46 feral pigs 46 Ug# 46 bushfires 46 insect 46 nematodes 46 sandstorms 46 forest fires 45 infestation 45 climatic conditions 45 mosquito borne disease 45 heatwaves 45 swarms 45 bee populations 45 soybean rust 44 mites 44 bluetongue 44 Asian soybean rust 44 biting insects 44 mosquitoes 44 schistosomiasis 44 hailstorms 44 fungal diseases 44 beetles 44 gypsy moths 44 cane toad 44 arid regions 44 epidemics 44 psyllid 44 frosts 44 thunder storms 44 invasive weed 43 mosquitos 43 thrips 43 Migratory birds 43 moth 43 Droughts 43 wildfires 43 stink bugs 42 rainfalls 42 mosquito 42 mosquito borne 42 mosquito borne diseases 42 wasps 42 Aphids 42 algal blooms 42 tick borne diseases 42 droughts 42 extinctions 42 cyclones 42 pest 42 Insects 42 beetle infestation 42 brown apple moth 42 easterly winds 42 overland flooding 42 infernos 42 frog species 42 semi arid 42 amphibians 42 Agriculture Organization FAO 42 gray squirrels 42 gypsy moth 41 borers 41 crops 41 floods droughts 41 feral animals 41 species 41 ungulates 41 powdery mildew