Help identifying this beetle.

[ScottinAK]

We're seeing hundreds or thousands of these beetles in the Birch trees in Alaska. Any help would be appreciated. Also the leaves are browning, I'm thinking these guys are the cause.

 

[ATH]

Looks like Birch shield bug: http://bugguide.net/node/view/335262/bgimage

 

[ScottinAK]

That's the one, thanks man.