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neonicotinoids
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apis mellifera
pollino
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eristalis tenax
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neonicotinoids
colletes
silphium perfoliatum
megachilidae
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western honey bee
pollinators
apis mellifera
syrphid fly
bee pasture
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colletes
bumblebee fly
western honey bee
neonicotinoids
hornet hover fly
apis mellifera
hover fly
megachilidae
hoverfly
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colletes
solidago
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late goldenrod
silphium perfoliatum
bumblebees
bee
western honey bee
hommel
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apis mellifera
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colletes
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eristalis tenax
apis mellifera
volucella zonaria
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silphium perfoliatum
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bee pasture
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apis mellifera
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arnica montana
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western honey bee
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odoratum
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