Related by context. Frequent words. (Click for all words.) 55 oak wilt 52 mountain pine beetles 51 bark beetle 51 gypsy moth caterpillars 50 anthracnose 50 aspen 49 beetle infestation 49 hemlock trees 49 beetle larvae 49 Sudden Oak 48 pine beetles 48 insect infestations 48 fungal spores 47 lodgepole pine 47 mealybugs 47 insect infestation 47 aspen trees 47 pine beetle 47 conifers 47 hibernating bats 47 beetle 46 emerald ash borers 46 lodgepole pines 46 mountain pine beetle 46 deciduous tree 46 fungus 45 beetles 45 dieback 45 root rot 45 jack pine 45 junipers 45 fungal disease 45 beech trees 45 bark beetles 45 Phytophthora 44 Mountain Pine Beetle 44 adelgid 44 spider mites 44 red cockaded woodpecker 44 defoliation 44 leafy spurge 44 cattail 44 borers 44 mesquite trees 44 pampas grass 44 squirrels 44 juniper 44 carpenter ants 43 pine trees 43 beeches 43 knapweed 43 soybean aphid 43 hemlock woolly adelgid 43 trees 43 crabapples 43 lichen 43 sycamore trees 43 owl habitat 43 fireweed 43 whitefly 43 spotted knapweed 43 pine beetle infestation 43 Poison ivy 43 Asian longhorned beetle 42 walnut trees 42 canine distemper 42 conifer 42 caterpillars 42 insect 42 downy mildew 42 psyllids 42 scrub jay 42 Hantavirus 42 Infestations 42 stoat 42 arborvitae 42 sedge 41 voles 41 mulberry tree 41 cutworms 41 garter snake 41 vole 41 juniper trees 41 psyllid 41 aphid 41 woody plants 41 tamarisk 41 berry bushes 41 horse chestnut 41 bark beetle infestation 41 whiteflies 41 infestation 41 elm trees 41 giant hogweed 41 blackberry bushes 41 noxious weed 41 tree 41 mountain laurel 41 tick borne disease 41 Fusarium 40 Dutch elm disease