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(Click for frequent words.) 81 honeybee populations 77 honeybee population 73 honey bee populations 73 bee colonies 69 amphibian populations 69 honey bee colonies 68 honeybee colonies 68 pollinator populations 65 Colony Collapse Disorder CCD 65 native pollinators 64 insect pollinators 64 honey bees 64 honeybees 64 Varroa mite 64 varroa mite 63 honeybee hives 63 parasitic mites 62 Colony Collapse Disorder 62 honeybee 62 songbird populations 61 insect populations 61 bee pollination 61 varroa mites 60 bee colony 59 pollinators 59 grassland birds 58 vanEngelsdorp 58 Nosema 58 species 58 blister rust 57 bumblebee species 57 pollinating insects 57 parasitic mite 57 Varroa mites 57 gray partridges 57 gypsy moth populations 57 Honey bees 56 chytrid fungus 56 invasive insect 56 beekeepers 56 waterbird species 56 waterbird populations 55 corn buntings 55 nosema 55 bees 55 beetle infestations 55 whitebark pines 55 honey bee colony 55 alien invasive species 55 crop yields 55 P. ramorum 55 Nosema ceranae 55 amphibian species 55 orangutan populations 55 honey bee 55 bumblebees 54 migratory bird populations 54 harlequin ladybird 54 chytrid 54 sea otter population 54 neonicotinoids 54 sage grouse populations 54 sylvatic plague 54 ecosystems 54 bee mite 54 loosestrife 54 butternut trees 54 aphid populations 54 neonicotinoid pesticides 54 rodent populations 54 tent caterpillars 53 amphibian declines 53 mussel populations 53 Apis mellifera 53 varroa 53 flea beetles 53 honeybee colony 53 habitats 53 bumblebee populations 53 insect pollination 53 Africanized bee 53 foulbrood 53 bollworms 53 biodiversity 53 IAPV 53 chestnut blight 53 bee hives 53 Varroa destructor 53 cormorant populations 53 adelgids 52 purple loosestrife 52 apiarists 52 exotic pests 52 invasive pests 52 small hive beetle 52 BMSB 52 eggshell thinning 52 Franklin bumblebee 52 tracheal mite 52 apiaries 52 apiculturist 52 Gypsy moths 52 adelgid 52 pheasant populations 52 spotted knapweed 52 northern spotted owls 52 honeycreepers 52 varroa mite parasite 52 varroa bee mite 52 caribou herds 52 seabird populations 52 hoverflies 52 freshwater ecosystems 52 Colony Collapse 52 honey bee Apis mellifera 52 waterfowl populations 52 terrestrial ecosystems 52 forest tent caterpillars 52 crayfish plague 51 Asian longhorn beetle 51 mosquito populations 51 insects 51 Stink bug 51 vole populations 51 woolly adelgid 51 chytrid fungus Batrachochytrium dendrobatidis 51 Varroa 51 bees pollinate 51 yellowhammers 51 bird species 51 deer herds 51 rusty blackbird 51 avian species 51 honeybee pollination 51 eastern tent caterpillar 51 aphid 51 Invasive plants 51 white clawed crayfish 51 crop pollination 51 aspen stands 51 siskin 51 aquatic ecosystems 51 insect pests 51 pine bark beetle 51 Argentine ants 51 clover root weevil 51 pollinating bees 51 amphibians 51 chytridiomycosis 51 brown marmorated 51 Bumblebee Conservation 51 pollination 51 comb jelly 51 Butterfly Conservation 51 genetic diversity 51 feral bees 51 forest ecosystems 51 waterbirds 51 diffuse knapweed 51 spotted flycatchers 51 phytophthora 51 nesting pairs 51 sea turtle populations 51 pollinator 50 species extinctions 50 invasive species 50 beekeepers hives 50 gray squirrels 50 van Westendorp 50 predatory mites 50 hives 50 virulent fungus 50 fungal pathogen 50 sea otter populations 50 apple moth 50 Purple loosestrife 50 Phytophthora ramorum 50 mammal extinctions 50 Batrachochytrium dendrobatidis 50 frog species 50 seabird species 50 willow tit 50 dieoff 50 seabird colonies 50 predator beetles 50 Garlic mustard 50 myxomatosis 50 superweeds 50 Apiary Inspectors 50 glyphosate resistant weeds 50 fall webworm 50 parasitic wasp 50 hemlock woolly adelgid 50 eastern meadowlark 50 eastern tent caterpillars 50 Feral pigs 50 Armyworm 50 gypsy moth caterpillars 50 pollinate crops 50 megafaunal 50 grassland habitats 50 Japanese Knotweed 50 wetland habitats 50 chilli thrips 50 Cassin auklets 50 northern bobwhite 50 Peanut allergies 50 avian malaria 50 winter moth caterpillars 50 unusually heavy rainfalls 50 False killer whales 50 insectivores 50 Argentine ant 49 Soybean cyst nematode 49 diporeia 49 spruce beetles 49 cattle herds 49 seagrasses 49 balsam woolly adelgid 49 aphid infestation 49 whitebark 49 whitefly 49 wintering habitat 49 Feral swine 49 hogweed 49 yellowjacket 49 harlequin frogs 49 bumble bees 49 comb jellyfish 49 Pine Siskins 49 Tick borne diseases 49 ant species 49 cucumber beetles 49 insect borne 49 seagrass meadows 49 Wollemi pines 49 ramorum 49 heathland habitat 49 Potato blight 49 Peary caribou 49 insect 49 Formosan subterranean termite 49 temperate regions 49 hive beetles 49 invertebrate populations 49 fairy tern 49 extinctions 49 habitat 49 habitat fragmentation 49 Diporeia 49 insecticide DDT 49 ocean acidity 49 migratory beekeepers 49 song thrushes 49 Stripe rust 49 Chinese mitten crab 49 mountain plovers 49 mite infestation 49 soybean aphid 49 giant hogweed 49 stinkbugs 49 ruddy duck 49 gypsy moths 49 rust fungus 49 Stink bugs 49 fungal blight 49 budworm 49 pea aphids 49 hemlock trees 49 Africanized honeybees 49 CCD colonies 49 synthetic nitrogen fertilizer 49 pests 49 knapweed 49 bee keepers 49 sagebrush habitat 49 BXW 49 ash borers 49 wiliwili 49 oak borer 49 biocontrol 49 pesticide sprays 49 Ips beetles 49 naturally occurring fungus 49 toxic algal blooms 49 kittiwakes 49 tobacco budworm 48 silverleaf whitefly 48 lapwings 48 parasitoids 48 whitebark pine trees 48 overharvesting 48 soil fertility 48 spruce budworm 48 banned pesticide DDT 48 checkerspot 48 pox virus 48 wheat midge 48 invasive pest 48 blight fungus 48 Harmonia axyridis 48 mealybug 48 pathogenic fungus 48 song thrush 48 milder winters 48 rusty crayfish 48 grassland habitat 48 breeding colonies 48 fungal disease 48 pig herds 48 bullfinches 48 Geomyces destructans 48 pine bark beetles 48 pollinating crops 48 shorebird populations 48 wind pollinated 48 peanut acreage 48 pesticide poisoning 48 cottony cushion scale 48 destructive beetle 48 nonnative weeds 48 coastal ecosystems 48 lapwing 48 hobbyist beekeepers 48 ladybird beetle 48 Warmer seas 48 waterfowl habitats 48 fungus 48 bees pollinating 48 penguin colonies 48 ladybug species 48 delicate ecosystems 48 breeding pairs 48 corncrakes 48 Yellowstone cutthroat trout 48 Selaginella 48 greenfly 48 strawberry guava 48 mites pesticides 48 Claire Kremen 48 biting midges 48 harp seal population 48 ladybirds 48 Africanized honeybee 48 wetland habitat 48 insect eaters 48 Cassin auklet 48 Foul Brood 48 stink bug 48 Hogweed 48 aquatic habitats 48 tree mallow 48 seed dispersers 48 witches broom 48 desert locust 48 insect pest 48 woody plants 48 nonnative invasive species 48 sap sucking insect 48 Spotted Owls 48 spider mite 48 leaf hoppers 48 populations 48 deformed beaks 48 American foulbrood 48 grain harvests 48 kelp forests 48 apiculture 48 DDT pesticide 48 sericea lespedeza 48 saiga 48 red legged frogs 48 Gypsy moth 48 grassland ecosystems 48 shorebird species 48 Overharvesting 48 yellow starthistle 48 Hen harriers 48 Invertebrate Conservation 48 legume crops 48 black sigatoka 48 coffee berry borer 48 reindeer herds 48 HABs 48 nonnative predators 48 snail kite 48 Bt crops 48 nematodes 48 predatory wasps 48 overfishing pollution 47 Buglife 47 wiliwili trees 47 herds 47 grasshopper populations 47 corn borer 47 Bonamia 47 grizzly populations 47 murrelet 47 C. gattii 47 loggerhead shrikes 47 eelgrass 47 predatory insects 47 medfly 47 apiarist 47 destructive pests 47 capercaillie 47 cassava mealybug 47 vertebrate species 47 Zebra mussel 47 sow herd 47 redpolls 47 nonnative invasive 47 hemlock woolly adelgids 47 Soybean aphids 47 overwintering 47 herbicide resistant weeds 47 marine ecosystems 47 megafauna 47 forest tent caterpillar 47 European Grapevine Moth 47 bobolinks 47 permafrost thawing 47 bee swarms 47 koala populations 47 beech bark disease 47 Caribou herds 47 coddling moth 47 reed canary grass 47 murrelets 47 pea aphid 47 parasitic flatworm 47 insect vectors 47 pika populations 47 reef ecosystems 47 trematodes 47 PMWS 47 coaster brook trout 47 mute swan population 47 lowland gorillas 47 gamebirds 47 nest predation 47 meadow pipit 47 Devil Facial Tumour 47 endangered amphibians 47 temperate zones 47 Thrips 47 starlings 47 Phragmites 47 bees butterflies 47 herbivorous insects 47 corn earworms 47 rootworms 47 bushmeat trade 47 common murres 47 webworms 47 neotropical migratory birds 47 ringspot virus 47 mountain glaciers 47 Paiute cutthroat trout 47 coccolithophores 47 overgrazing 47 Dartford warbler 47 reed buntings 47 overhunting 47 herbivory 47 antibiotic resistant superbugs 47 mega fauna 47 honey bee pollination 47 Asiatic cheetahs 47 invasive beetle 47 cyst nematode 47 Medflies 47 watermilfoil 47 rodent borne diseases 47 eelgrass beds 47 woolly adelgids 47 mule deer populations 47 voracious insects 47 nestings 47 nutrient depletion 47 Loggerhead Shrike 47 superweed 47 Cogongrass 47 Bumble bees 47 Kittlitz murrelet 47 striga 47 sap sucking insects 47 insect outbreaks 47 gopher frog 47 endophytes 47 greenfinches 47 Henslow sparrow 47 salamander species 47 Pollinators 47 skuas 47 bush honeysuckle 47 Matt Shardlow 47 little brown myotis 47 atmospheric carbon dioxide 47 redshank 47 Chytrid fungus 47 vine mealybug 47 corncrake 47 root weevil 47 sterile moths 47 woody vegetation 47 caribou populations 47 Purple Loosestrife 46 tracheal mites 46 sea lampreys 46 temperate forests 46 understorey 46 wolf populations 46 breed prolifically 46 Invasive species 46 Ecology Letters 46 cicada emergence 46 hemlocks 46 voles 46 amphibian chytrid fungus 46 overbrowsing 46 yellow wagtails 46 voracious pest 46 Caulerpa 46 locust outbreaks 46 Erwinia 46 oilseed rape crops 46 endangered mammal 46 amphibian extinctions 46 western bean cutworm 46 soil salinity 46 leaf beetles 46 mirid bugs 46 mudsnails 46 aphids 46 blueberry growers 46 cankerworms 46 weed infestations 46 Overgrazing 46 spruce bark beetle 46 nitrogen deposition 46 Pine beetles 46 anthropogenic CO2 emissions 46 beetle infestation 46 infestations 46 kittiwake 46 mud snail 46 Saltcedar 46 desert locusts 46 Spotted owls 46 Barn owls 46 bees wasps 46 crops 46 plague locusts 46 cacao trees 46 Yellowstone elk herd 46 brown marmorated stink bug 46 Grevy zebras 46 rusty blackbirds 46 pasture grasses 46 aquatic ecosystem 46 spur throated locusts 46 feral pigs 46 pollinator habitat 46 Elm Disease 46 Spotted knapweed 46 BBKA 46 sparrowhawks 46 mountain pine beetles 46 Africanized bees 46 gypsy moth 46 aggressive Africanized 46 yellowhead 46 locust upsurge 46 potato blight 46 spoon billed sandpiper 46 ocean ecosystems 46 whiteflies 46 greenshank 46 Eric Mussen 46 insect infestations 46 bumblebee colonies 46 echinoderm 46 Infestations 46 bighorn herds 46 mammals 46 woodwasp 46 inbreeding depression 46 great crested newt 46 boxelder bugs 46 predator prey relationships 46 warmer winters 46 herbivores 46 Parasitic wasps 46 dinosaur extinction 46 flora 46 bushmeat hunting 46 rarest mammals 46 armyworm 46 migratory songbirds 46 fungi 46 skylarks 46 heathlands 46 Bewick swan 46 sawfly 46 grasshopper sparrow 46 Quino checkerspot butterfly 46 White Nose Syndrome 46 microbats 46 mauve stingers 46 nematode 46 native flora 46 endemic species 46 reedbeds 46 Nosema apis 46 sicken humans 46 linnets 46 ferruginous hawks 46 golden toad 46 siskins 46 sawflies 46 birds 46 blackcaps 46 polar bear populations 46 Giant hogweed 46 ruddy ducks 46 Yellowstone grizzly population 46 Captive breeding 46 stone curlews 46 Beekeepers 46 Edith checkerspot butterfly 46 blacklegged ticks 46 Hector dolphins 46 smooth cordgrass 46 leafhoppers 46 Africanized 46 Redpolls 46 Sudden Oak 46 Bluetongue virus 46 oceanic islands 46 sclerotinia 46 ladybird beetles 46 Boreal forests 46 Taxonomists 46 parasitic wasps 46 bluetongue virus 46 akekee 46 leaf scorch 46 marsh harriers 46 Seagrasses 46 cyst nematodes 46 pathogen 46 red cockaded woodpeckers 46 wolf predation 46 overplanting 46 apple scab 46 brown hares 46 midge borne 46 Whooping crane 46 nonnative grasses 46 feral goats 46 bats hibernate 46 brown marmorated stink bugs 46 stink bugs 46 foodborne diseases 46 grouse chicks 46 black legged kittiwakes 46 cerulean warbler 46 leafcutter bees 46 Adélie penguins 46 barn owls 46 trophic cascade 45 beetles 45 penguin chicks 45 itch mite 45 almond bloom 45 Blanding turtles 45 predator prey dynamics 45 salinity 45 Knotweed 45 cicada killers 45 Ornithologists 45 Kittlitz murrelets 45 brook trout populations 45 mohua 45 hoverfly 45 broadacre crops 45 mud snails 45 pink hibiscus mealybug 45 Genetically engineered crops 45 springtails 45 hemlock wooly adelgid 45 salamander populations 45 tick borne diseases 45 raccoon rabies 45 marsh fritillary 45 mosquito vector 45 caterpillars 45 soybean aphids 45 citrus greening disease 45 blueberry crop 45 Phytophthora 45 aronia berries 45 spruce beetle 45 cowbirds 45 Chinese mitten crabs 45 overfishing 45 marsupials 45 yellowjackets 45 varroa destructor 45 Whitefly 45 sugar beet crop 45 Raccoon rabies 45 ring necked pheasants 45 elephant herds 45 kakariki 45 Japanese knotweed 45 Aleutian geese 45 starthistle 45 biocontrol agent 45 Galerucella beetles 45 eastern meadowlarks 45 Monarch butterflies 45 whitebark pine 45 webworm 45 carpenter ant 45 campylobacter infection 45 western corn rootworm 45 grasslands 45 megafires 45 Spider mites 45 Bicknell thrush 45 H7 avian flu 45 Bewick swans 45 Beneficial insects 45 breeding herd 45 overharvested 45 lichens 45 Sugar maples 45 boreal forests 45 nesting birds 45 supercolony 45 plant parasitic nematodes 45 Rhododendrons 45 Ornithology BTO 45 Phytophthora infestans 45 flightless parrot 45 leatherbacks 45 Wild parsnip 45 Crassostrea virginica 45 pawpaws 45 devouring insects 45 Blue winged teal 45 atmospheric CO2 levels 45 invasive weed 45 Overfishing pollution 45 grasshopper infestations 45 swine herds 45 Gypsy moth caterpillars 45 waxwings 45 corn rootworms 45 eider ducks 45 nesting songbirds 45 dieback 45 bdelloids 45 shrikes 45 aquatic species 45 caecilians 45 woodrat 45 warm blooded vertebrates 45 genetic variability 45 psyllids 45 weed infestation 45 warmer wetter winters 45 tiny single celled 45 ashy storm petrels 45 stone curlew 45 Xylella 45 pathogenic strains 45 flowering plants 45 soybean acreage 45 Africanized killer 45 subterranean termite 45 ivory gulls 45 nesting habitat 45 barred owls 45 phytoplasma 45 Bobwhite quail 45 fungal pathogens 45 canine distemper virus 45 nonnative plants 45 Red cockaded woodpeckers 45 migratory waterbirds 45 white shouldered ibis 45 longleaf 45 Alvarez Buylla 45 Extinctions 45 Didymo 45 Flying foxes 45 Florida betony 45 beneficial insects 45 seabirds 45 nematode populations 45 potato psyllid 45 dairy herds 45 stoat 45 cotton acreage 45 Aphids 45 pine wilt 45 thousand cankers disease 45 elephant poaching 45 mammalian predators 45 biofuel crops 45 Salmonella bacterium 45 walnut twig beetle 45 virginica 45 breeding waders 45 pest insects 45 Barred owls 45 knotweed 45 voracious feeders 45 birds amphibians reptiles 45 Xanthomonas 45 T. gondii 45 apple maggots 45 migratory bird species 45 freshwater habitats 45 leaf beetle 45 bumblebee 45 Barred Owls 45 herbicide resistant crops 45 pollinating flowers 45 peregrines 45 mitten crabs 45 periodical cicada 45 bioenergy crops 45 twig beetle 45 Tent caterpillars 45 carnivore species 45 avian pox 45 gypsy moth caterpillar 45 apple maggot 45 Manuka bush 45 septoria leaf spot 45 spruce bark beetles 45 northern leopard frog 45 Spartina alterniflora 45 trumpeter swans 45 Chytrid 45 frogs toads 45 mites 45 foraging habitat 45 curlew 45 cordgrass 45 Maui dolphin 45 aquatic insect 45 pygmy rabbits 45 herbivorous mammals 45 Sudden oak death 45 nesting cormorants 45 mono cropping 45 citrus psyllid 45 ladybugs 45 parasitic nematodes 45 wintering birds 45 cirl bunting 45 tadpole shrimp 45 frogs salamanders 45 bollworm 45 Keith Delaplane 45 fearsome Tyrannosaurus rex 45 Cutworms 45 emerald ash borer EAB 45 stinkbug 45 black footed ferret 45 neonicotinoid 45 mountain caribou 45 Himalayan balsam 45 red breasted nuthatches 45 ring necked parakeets 45 Villemant 45 decomposers 45 Caspian Sea sturgeon 45 collared doves 45 deadly ebola virus 45 downy mildew 45 critically endangered endangered 45 bagworm 45 elk herds 45 Harvests 45 woodlark 45 adelgid infestation 45 locust swarms 45 lady beetles 45 Cryptococcus gattii 45 oriental bittersweet 45 rodent pests 45 wintering 45 prolific breeders 45 miconia 45 pesticide poisonings 44 black capped chickadees 44 edible mushrooms 44 reef habitats 44 oystercatcher 44 bacterial wilt 44 bobwhite quail 44 trematode 44 ash trees 44 glaucous winged gulls 44 brood rearing 44 Giant Hogweed 44 leatherback sea turtles 44 Rhino poaching 44 bobwhite 44 PCVAD 44 beetle 44 waterhemp 44 codling moths 44 apple snail 44 interbreeding 44 fireblight 44 Northern Bobwhite 44 reef corals 44 Robbin Thorp 44 Brood X cicadas 44 Marla Spivak 44 Giant Salvinia 44 oyster harvests 44 herbaceous plants 44 Breeding Bird Survey 44 waterweed 44 boxelder bug 44 deer herd 44 entomologists 44 Amazon rainforests 44 woody weeds 44 beak deformities 44 stem borers 44 surf scoters 44 snail kites 44 tropical coral reefs 44 freshwater mollusks 44 gray squirrel 44 vole 44 rusty patched bumblebee 44 loggerhead nests 44 bacterial canker 44 threatened delta smelt 44 salvinia 44 Isle Royale wolves 44 Soybean rust 44 streamside vegetation 44 barberry 44 jack pine 44 Lodgepole pine 44 early successional forest 44 Downy mildew 44 wildlife habitats 44 avian cholera 44 gall wasp 44 Antarctic glaciers 44 Tuta absoluta 44 Fraser sockeye 44 caribou herd 44 locust infestation 44 leafy spurge 44 LBAM 44 eucalyptuses 44 golden alga 44 Antibiotic resistant bacteria 44 pyrethroid resistance 44 cycad species 44 evening grosbeaks 44 freshwater fishes 44 nutrient deficiency 44 plague proportions 44 nematode species 44 aquatic grasses 44 meadow pipits 44 Adelgids 44 northern fur seals 44 invertebrate animals 44 genetically engineered canola 44 Water hyacinth 44 Sudden oak 44 deciduous plants 44 defoliators 44 cervids 44 orchid species 44 Amazonian forest 44 auklets 44 overwinters 44 itch mites 44 passerine birds 44 nonnative species 44 medusahead 44 Mexican garter snake 44 red oak acorns