Related by context. Frequent words. (Click for all words.) 73 varroa 64 bee populations 63 Colony Collapse Disorder 61 pests 61 fungus 61 aphid 61 bee colonies 60 insect pest 60 fungal disease 59 mites 58 nematode 57 insect pests 56 nematodes 55 didymo 55 honeybee 55 pathogen 55 pest 54 invasive weed 54 psyllid 54 invasive species 54 honey bee 54 sea squirt 54 beekeepers 53 Japanese knotweed 53 honeybees 53 infestation 53 insect 52 aphids 52 insect populations 52 parasitic worms 52 Asian longhorned beetle 51 wasp 51 stink bug 51 Soybean rust 51 gypsy moth 51 weevil 51 gypsy moths 51 citrus greening 50 parasite 50 wasps 50 infestations 50 brown apple moth 50 fungal diseases 50 insects 50 Canker 50 mosquito populations 50 beetle 50 Aphids 50 bees 49 knotweed 49 honey bees 49 alga 49 bee keepers 49 feral pigs 49 fungi 49 micro organism 49 citrus canker 49 bacterium 48 naturally occurring bacteria 48 fungal 48 cane toads 48 Invasive species 48 bacterial strains 48 root rot 48 midge 48 spider mites 48 Ug# 48 sea lice 48 weevils 48 beetle infestation 48 pathogens 48 purple loosestrife 48 stem rust 48 stripe rust 48 weed seeds 48 Bovine TB 48 stink bugs 48 powdery mildew 47 invasives 47 avian influenza virus 47 fungal spores 47 microorganism 47 armyworms 47 mountain pine beetles 47 cane toad 47 beetles 47 malaria parasites 47 parasitic disease 47 food borne pathogens 47 mite 47 parasitic diseases 47 MRSA superbug 47 moth 47 bee hives 47 pesticide poisoning 47 viruses 47 parasites 46 Vibrio 46 biosecurity 46 emerald ash borer 46 dieback