Related by context. Frequent words. (Click for all words.) 70 insect infestations 61 beetle infestation 58 pests 58 infestation 56 bark beetle 55 bark beetles 55 root rot 55 insect pests 54 infestations 53 pine beetles 53 insect 52 mildew 51 rodent infestation 51 insects 51 defoliation 51 bark beetle infestation 51 fungus 51 fungal 50 fungal diseases 50 mountain pine beetle 50 fungal disease 49 junipers 49 overwatering 49 pest 49 termites 49 gypsy moths 48 vegetation 48 gypsy moth 48 dieback 48 termite 48 powdery mildew 48 beetles 48 blight 47 soil erosion 47 pine beetle 47 termite damage 47 spider mites 47 invasive weed 47 rodents 47 dry rot 47 aphids 47 woody plants 46 canker 46 mosquito breeding 46 fungal spores 46 mosquito populations 46 beetle 46 fungi 46 Dutch elm disease 46 walnut trees 45 lodgepole pine 45 Pests 45 windbreaks 45 trees 45 pecan trees 45 cheatgrass 45 rotting wood 45 understory 45 borers 45 shrubs 45 defoliated 45 aphid 45 Aphids 44 invasive species 44 elm 44 dampness 44 leaf litter 44 stink bugs 44 conifer 44 crabgrass 44 compost piles 44 mites 44 emerald ash borer 44 mold spores 44 deciduous trees 44 overgrowth 44 moisture 44 vermin 43 automatic sprinkler 43 ash borer 43 noxious weeds 43 Japanese knotweed 43 tamarisk 43 ornamental trees 43 weeds 43 biting insects 43 spoilage 43 ash trees 42 overwintering 42 pest control 42 Droughts 42 fungicides 42 pathogen 42 invasives 42 forest fires 42 salt cedar 42 poison ivy 42 bird droppings 42 catastrophic wildfires 42 aspen 42 disease