Related by context. Frequent words. (Click for all words.) 69 invasive insect 66 Gypsy moths 64 Asian longhorned beetle 62 Emerald ash borer 62 adelgids 62 hemlock woolly adelgid 62 ash borers 62 tent caterpillars 61 invasive pests 60 emerald ash borer 60 emerald ash borers 59 hogweed 59 Invasive plants 59 invasive species 59 beetle infestations 59 White Nose Syndrome 58 Emerald Ash Borer 58 invasive pest 58 fungus 58 ash borer 58 hemlock trees 58 insect 57 beetle 57 pests 57 apple moth 57 brown marmorated stink bug 57 Invasive species 56 insect pest 56 varroa mites 56 beetle infestation 56 stinkbugs 55 Mountain Pine Beetle 55 ash trees 55 varroa mite 55 gypsy moth caterpillars 55 infestation 55 purple loosestrife 55 loosestrife 54 invasives 54 Japanese knotweed 54 viral hemorrhagic septicemia 54 beetles 54 invasive weed 54 giant hogweed 54 anthracnose 54 bagworms 54 fungal disease 54 deciduous forests 54 gypsy moth 54 mealybug 54 apple scab 53 insects 53 Sudden Oak 53 defoliating 53 adelgid 53 spotted knapweed 53 gypsy moths 53 bark beetle 53 Phytophthora 53 barberry 53 Formosan termites 52 insect infestations 52 oxalis 52 mountain pine beetles 52 tiger mosquito 52 psyllid 52 mealy bug 52 species 52 Phragmites 52 fireblight 52 insect pests 52 carpenter bees 52 Chronic Wasting Disease 52 Dutch elm disease 51 amphibian populations 51 pest 51 oak maple 51 bee populations 51 melaleuca 51 mealybugs 51 borers 51 invasive weeds 51 bark beetles 51 insect populations 51 whitefly 51 insect infestation 51 hardwood trees 51 fireweed 51 pine beetles 51 infestations 51 hardwood firewood 51 LBAM 51 leafy spurge 51 European grapevine moth 51 hemlocks 50 sea lampreys 50 psyllids 50 viburnums 50 Boreal forest 50 multiflora rose 50 hibernating bats