Related by context. Frequent words. (Click for all words.) 55 gypsy moths 54 beetles 54 nematodes 54 nematode 54 weevils 52 rotenone 51 invasive pest 51 brown apple moth 51 insect 51 mosquito populations 51 insects 51 gypsy moth 51 invasive weed 51 psyllid 51 pheromone 50 stink bugs 50 caterpillars 50 beneficial insects 50 weevil 50 whiteflies 50 fungus 49 larval stage 49 larvae 49 ash borer 49 invasive species 49 insect populations 49 captive bred 49 insect larvae 49 moth 48 insect pests 48 pyrethroids 48 stink bug 48 pests 48 beetle 48 aerial spraying 48 smolts 48 aphids 48 purple loosestrife 48 genetically altered 48 wasps 48 armyworms 48 beetle larvae 48 pesticide 48 naturally occurring bacteria 48 aphid 48 insect pest 48 Wolbachia 47 pathogen 47 pesticides 47 varroa 47 feral pigs 47 black footed ferrets 47 fungal spores 47 lampreys 47 larva 47 atrazine 47 borers 47 species 47 pesticide spraying 47 captive breeding 47 fruit flies 47 honey bees 47 pheromones 47 tadpoles 47 bee populations 46 bees 46 genetically engineered 46 lady beetles 46 defoliate 46 varroa mite 46 roundworms 46 moths 46 Africanized bees 46 mountain pine beetles 46 grasshoppers 46 genetically manipulated 46 monarch butterflies 46 whitefly 46 infestation 46 transgenic 46 insecticide 46 phragmites 46 transgenic plants 46 spider mites 45 tamarisk 45 Asian longhorned beetle 45 fungal disease 45 parasitic infection 45 honeybees 45 cane toads 45 ladybugs 45 mosquito larvae 45 pupae 45 rodenticides 45 insecticides 45 nonnative species 45 bark beetles 45 Atrazine 45 pest 45 fingerlings 45 attractant