Related by context. Frequent words. (Click for all words.) 64 Gypsy moths 60 fungus 59 potato blight 59 fungal disease 58 root rot 57 peach crop 57 Soybean rust 57 phylloxera 57 Phytophthora 57 insect pest 56 gypsy moth caterpillars 56 Emerald ash borer 56 downy mildew 55 adelgids 55 walnut trees 55 bollworm 54 sugar beet crop 54 beetle infestation 54 Infestations 54 boll weevils 54 honeybee colonies 53 fungal pathogens 53 Feral hogs 52 leaf curl 52 insect pests 52 mealybugs 52 stem rust 52 defoliate 52 anthracnose 52 stink bug 52 Aphids 52 defoliated 52 Canker 51 boll weevil 51 gypsy moth 51 hemlock trees 51 varroa mite 51 whitefly 51 beetle 51 whiteflies 51 mealy bug 51 Severe drought 51 grapefruit crop 51 hemlocks 51 European grapevine moth 51 European corn borer 50 adelgid 50 infestation 50 hickories 50 cutworms 50 winterkill 50 gypsy moths 50 frosts 50 weevil 50 beech trees 50 loosestrife 50 nematodes 50 pigweed 50 rootworm 50 soybean aphid 49 crops 49 barberry 49 fireblight 49 chestnut trees 49 fungal spores 49 citrus crop 49 pest infestation 49 defoliation 49 weevils 49 insect infestations 49 Nematodes 49 locust plague 49 armyworms 49 pests 49 spider mites 49 locust invasion 49 soybean aphids 49 powdery mildew 49 bee populations 49 Poison ivy 49 invasive pest 49 infestations 49 beetles 49 elms 48 nematode 48 corn borer 48 citrus crops 48 purple loosestrife 48 honeybee population 48 Ug# 48 overhunting 48 hardwood trees 48 fungal diseases 48 Zebra mussels 48 Dutch elm disease 48 Genetically modified 48 Irish potato famine 48 hemlock woolly adelgid 48 amphibian populations 48 Fusarium 48 aphids