Related by context. Frequent words. (Click for all words.) 73 Phytophthora ramorum 68 Citrus canker 64 Powdery mildew 63 Emerald ash borer 62 Soybean rust 61 fungal pathogen 61 invasive insect 61 fungus 60 Canker 60 invasive beetle 60 Gypsy moths 60 citrus greening disease 59 chytridiomycosis 59 anthracnose 59 leaf blight 59 Infestations 58 hemlock woolly adelgid 58 Phytophthora 58 fungal disease 58 Sudden Oak 58 invasive pest 58 Varroa mite 57 beetle infestations 57 leafhoppers 57 Tularemia 57 parasitic worm 57 Chronic wasting disease 57 cankers 56 Stink bugs 56 chestnut blight 56 mealybug 56 downy mildew 56 Medfly 56 defoliating 56 cabbage palms 56 avocado groves 56 citrus greening 56 leaf beetle 56 oak wilt 56 swimmer itch 56 apple moth 56 insect borne 55 long horned beetle 55 chytrid fungus 55 beetle infestation 55 insect pest 55 Bark beetles 55 bacterial pathogen 55 honey bee colonies 55 moth larvae 55 hackberry 55 Garlic mustard 55 adelgid 54 chytrid 54 tent caterpillars 54 hemlock trees 54 Hantavirus 54 Soil erosion 54 Typhoid fever 54 beetle 54 dieback 54 Invasive plants 54 Poison ivy 54 insect 54 glassy winged sharpshooter 54 psyllid 54 tiger mosquito 54 tick borne 54 brown marmorated stink bug 54 adelgids 54 deciduous forests 54 Alternaria 54 infestation 54 Salmonellosis 53 aspergillus 53 apple scab 53 insect infestation 53 Asian citrus psyllid 53 chikungunya virus 53 White Nose Syndrome 53 mosquito transmitted 53 ash borers 53 fireweed 53 cogongrass 53 Aphids 53 stinkbugs 53 hogweed 53 waterborne illness 53 bark beetle 53 flea beetles 53 cutworm 53 sweetgum 53 European grapevine moth 52 Africanized honey bees 52 melioidosis 52 mealybugs 52 gypsy moth caterpillars 52 parasitic wasp 52 whitefly 52 mud snail 52 insect infestations