Three Paramus Shade Tree employees who were trimming trees in a borough neighborhood were stung by a swarm of bees Thursday morning, police said. Officers were called to the area of Howland Avenue and Village Circle at 10:55 a.m. and found the injured workers, one whom suffered severe stings and had to be taken to Valley Hospital for treatment, Paramus Police Chief Robert M. Guidetti said. The two others were stung “moderately.” Police closed the area and locals were advised to stay inside their homes for safety as a bee keeper was dispatched to help contain the insects, Guidetti said. The bee…