Related by context. Frequent words. (Click for all words.) 62 gypsy moths 61 gypsy moth 59 infestations 58 ash borer 56 infestation 56 defoliation 55 invasive weed 53 beetle infestation 53 emerald ash borer 52 Emerald Ash Borer 52 fungal disease 51 mosquito populations 51 Asian longhorned beetle 51 borer 50 aerial spraying 50 knapweed 50 pest 50 insect pest 50 tick borne diseases 50 noxious weed 50 fungus 50 beetle 50 purple loosestrife 49 mountain pine beetles 49 weevil 49 pests 49 Chronic Wasting Disease 49 defoliated 48 beetles 48 Dutch elm disease 48 Soybean rust 48 stink bugs 48 ash trees 48 insect infestations 48 winterkill 48 feral pigs 48 insect pests 48 invasive weeds 48 canker 47 pesticide spraying 47 armyworms 47 root rot 47 citrus canker 47 stripe rust 47 insect 47 invasives 47 bark beetle 47 borers 47 stink bug 46 aphids 46 Japanese knotweed 46 nematode 46 weevils 46 pine beetles 46 varroa mite 46 locust 46 noxious weeds 46 insect infestation 46 aphid 46 disease 46 deer herds 46 stem rust 45 powdery mildew 45 mosquito borne diseases 45 EAB 45 mosquito borne virus 45 cattle herds 45 fungal diseases 45 mites 45 invasive species 45 insect populations 45 hydrilla 45 spider mites 45 knotweed 45 Asian soybean rust 44 deer herd 44 feral swine 44 dieback 44 phragmites 44 buckthorn 44 larvicide 44 herbicides 44 bee populations 44 wild hogs 44 chemical sprays 44 Bovine TB 43 feral hogs 43 West Nile virus 43 mosquito spraying 43 nematodes 43 mosquito borne 43 deer ticks 43 broadleaf weeds 43 biting insects 43 psyllid 43 mosquito larvae 43 pine beetle 43 invasive aquatic 43 herbicide 43 bovine TB 43 blight