not a bumblebee? - Andrena
Great Brook Farm State Park, Carlisle, Middlesex County, Massachusetts, USA
April 29, 2011
I saw many of these bees throughout April and May at several different locations. They resemble bumblebees but I don't think that's what they are. The antennae are too long and there isn't any fuzz on the abdomen. They are also smaller than bumblebees.
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