I found (and was bitten by) what I belive to be the larvae of this insect. It was about three inces long and matches all descriptions and pictures I have found so far. I too live in Housatonic, and I found it down at Old Maids swimming hole by the dam. (btw, it's bite is very strong, and quite painful!)

We've been seeing a lot of these recently. Here's a link to our guide page, and a picture for comparison:



Yours is the first submitted here from MA, by the way - so if you tag and move it to the guide, you can have the pleasure of seeing your state colored in on the data map.

Here's how: Hit "tag" under your image (you'll see it appear as a thumbnail at the top left of the window), then follow this link to the images page, then click "move tagged images."