Related by context. Frequent words. (Click for all words.) 69 beetles 65 beetle 64 gypsy moths 63 purple loosestrife 63 fungus 62 gypsy moth 62 hemlocks 62 insects 61 invasive weed 61 aphids 60 nematodes 60 Asian longhorned beetle 60 pine beetles 60 ash borer 60 borers 60 Aphids 59 spider mites 59 caterpillars 59 stink bugs 59 pests 59 beetle infestation 58 invasives 58 weevils 58 mountain pine beetles 58 beneficial insects 58 invasive pest 58 insect pests 58 woody plants 58 bark beetles 57 invasive species 57 stink bug 57 bark beetle 57 insect 57 insect populations 57 knotweed 57 mites 56 armyworms 56 tamarisk 56 aphid 56 deer ticks 56 knapweed 56 fungi 56 fungal spores 55 feral pigs 55 insect pest 55 species 55 psyllid 55 invasive weeds 55 weevil 55 fungal disease 55 larvae 55 lady beetles 54 Emerald Ash Borer 54 Soybean rust 54 salt cedar 54 garlic mustard 54 infestations 54 insect larvae 54 emerald ash borer 53 varroa mite 53 Japanese knotweed 53 conifers 53 parasitic worms 53 carpenter ants 53 gray squirrels 53 mosquito populations 53 bee populations 52 hardwood trees 52 mosquito larvae 52 phragmites 52 black footed ferrets 52 ant species 52 copperheads 52 lichens 52 carnivorous plants 52 lodgepole pine 52 lodgepole pines 52 defoliated 52 nematode 52 biting insects 52 kudzu 52 voles 52 defoliation 52 hydrilla 52 cheatgrass 52 didymo 51 squirrels 51 Zebra mussels 51 honeybee colonies 51 infestation 51 milder winters 51 zebra mussels 51 toads 51 understory 51 barred owls 51 milkweed 51 moths 51 wasps 51 naturally occurring bacteria 51 root rot 51 Fraser firs