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.
Contributed by Molly Jacobson on 25 July, 2011 - 8:02am Last updated 21 November, 2011 - 12:05pm
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