I have found 4 of these beetles (so far) in my bedroom, can you tell me what they are. These only started appearing after we had some Oak furniture delivered (made in China). It’s the only place I can think they came from. Should I be concerned, my wife already is.
This is a Longhorned Borer Beetle in the family Cerambycidae, but it is not the notorious Asian Longhorned Borer, Anoplophora glabripennis, that is a recent introduced exotic causing problems with native trees like maple and horse chestnut. It is possible it emerged from furniture or even firewood. We will see if Eric Eaton recognizes the species.