Related by context. Frequent words. (Click for all words.) 47 phylloxera 47 insect pest 46 fireweed 46 invasive pest 46 vetch 46 gypsy moths 46 beetles 46 Argentine ants 45 pests 45 aphid 45 ragwort 45 spotted knapweed 44 Japanese knotweed 44 infestation 44 leafy spurge 44 insect 44 gray squirrels 44 pest infestation 43 vermin 43 weevil 43 downy mildew 43 squirrels 43 weevils 43 bindweed 43 pampas grass 43 wasps 43 earwigs 43 infestations 43 biocontrol 43 knotweed 43 hemlock woolly adelgid 43 locust 42 whitefly 42 beetle 42 voles 42 insect infestations 42 gypsy moth caterpillars 42 loosestrife 42 Aphids 42 varroa mite 42 Feral hogs 42 bee populations 42 gypsy moth 42 psyllids 42 stoat 42 colonizing 42 invasive weed 42 carpenter ants 42 ladybirds 42 colonies 41 infested 41 pollinating insects 41 insects 41 barberry 41 grasshoppers 41 wasp 41 possums 41 buckthorn 41 pest 41 moth 41 Canker 41 pest infestations 41 Phytophthora 41 insect pests 41 tiger mosquito 40 whiteflies 40 wasp nest 40 borers 40 knapweed 40 barrens 40 Honey bees 40 forbs 40 rodent 40 foxes 40 snail 40 rodents 40 wormy 40 earthworms 40 Cane toads 40 borer 40 varroa 40 parasites 40 fungi 40 noxious weed 40 giant hogweed 40 potato blight 39 Infestations 39 mite 39 glassy winged sharpshooter 39 snails 39 fungus 39 expansionism 39 fungal diseases 39 seedlings 39 chickweed 39 ant colonies 39 aphids 39 nematode 39 thistles 39 Voles 39 cutworms