Related by context. Frequent words. (Click for all words.) 63 Emerald ash borer 59 Emerald Ash Borer 56 ash borer 56 emerald ash borer 55 Mountain Pine Beetle 55 emerald ash borers 55 Gypsy moths 54 borer 52 Phytophthora 52 gypsy moth caterpillars 51 hemlock woolly adelgid 51 invasive pest 51 invasive weed 50 Japanese knotweed 50 spotted knapweed 50 ash trees 50 knapweed 50 Phragmites 50 gypsy moths 50 loosestrife 50 Eurasian milfoil 49 gypsy moth 49 larviciding 49 Asian longhorned beetle 49 oak wilt 49 giant hogweed 49 Eurasian watermilfoil 49 purple loosestrife 49 jack pine 49 Dutch elm disease 48 Milfoil 48 pine beetle infestation 48 giant salvinia 48 infestation 48 adelgids 48 viral hemorrhagic septicemia 47 European grapevine moth 47 Scotch broom 47 Gypsy Moth 47 anthracnose 47 hemlock trees 46 leafy spurge 46 European corn borer 46 borers 46 beetle 46 invasive alien 46 beetle infestation 46 Soybean rust 46 invasive species 46 salvinia 46 mountain pine beetles 46 saltcedar 46 Aerial spraying 46 infestations 46 garlic mustard 46 insect 45 insect infestations 45 invasive pests 45 aquatic weed 45 insect pest 45 brown marmorated stink bug 45 rootworm 45 fungal disease 45 ragwort 45 Chronic Wasting Disease 45 pine beetle 44 White Nose Syndrome 44 buckthorn 44 pine beetles 44 noxious weed 44 Hydrilla 44 invasive aquatic 44 phragmites 44 Infestations 44 Rotenone 44 bagworms 44 adelgid 44 hemlock 44 mealybugs 44 larvicides 44 Sudden Oak 44 codling moth 44 barberry 43 pampas grass 43 downy mildew 43 sawfly 43 cankers 43 defoliate 43 lodgepole 43 fireweed 43 hickories 43 defoliation 43 biocontrol 43 invasive mussels 43 serviceberry 43 soybean aphid 43 insect infestation 43 aquatic weeds 43 fungal spores 43 pest infestations 43 melaleuca