i have found these blue/black wasp in my stone wall about an inch in length.very aggressive .we where wonderin why my dog was so sick till we found mulitiple stings on her.i have never seen anythin like these in my life.my back yrd is not safe for my kids or my dogs i am wonderin what to do about them.i live in central NH i am highly allergic to bees wasp and hornets and im at a loss as to what to do ...anyone give me some advice? u can email me at urnhgirl2003@yahoo.com thank you