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GRANTS PASS, Ore. — Conservation groups and scientists want federal agricultural authorities to start regulating shipments of commercially domesticated bumblebees — used to pollinate crops — to protect wild bumblebees from diseases threatening their survival.
The groups said Tuesday that four species of bumblebees once common in the United States have seen drastic declines — and the evidence points to diseases spreading out of greenhouses that use domesticated bumblebees.



