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Those pics are of different species of Laphria.
I think this is a worn female Laphria champlainii based on the distribution on yellow on the abdomen and the legs. I think it's lost a lot of hair on the sides of the thorax and the legs.
It can be identified by the very large size (largest <i>Cicindela</i> in east), and robust structure. This is the '<i>manitoba</i> variation of <i>Cicindela formosa generosa</i>, which has expanded elytral margins so the maculations are all connected. This species is very common in a variety of sandy situations, and is a frequent component of tiger beetle faunas in sandy habitat east of the Rockies, except for the southeastern coastal plain, where it is absent. A sandy riverbank would be adequate habitat.
<a href="http://bugguide.net/node/view/331297">http://bugguide.net/node/view/331297</a>
<a href="http://bugguide.net/node/view/740607/bgimage">http://bugguide.net/node/view/740607/bgimage</a>
The other identification of <i>Cicindela hirticollis</i> is incorrect. That species is smaller, lankier, with proportionately longer legs, more protruding eyes, proportionately longer, thinner mandibles, and with the humeral lunule marking strongly recurved to the anterior, like a letter G.
<a href="http://bugguide.net/node/view/297084/bgimage">http://bugguide.net/node/view/297084/bgimage</a>
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