After Googling this bug I decided it may be a welcome guest because it will eat small morsels of food and even paper. I told Dorothy we should breed these and keep them in small corrals under the couch and let them out at night to clean the floor as we sleep. She didn't think much of that idea.
We've also been invaded by wolf spiders. These are large, aggressive arachnids that look like small tarantulas. The will jump at you when annoyed, that's why I don't annoy them unless I have a fly swatter in hand. Their bite while not venomous is as painful as a wasp sting. You don't want to be looking for a camel cricket under the couch and see this: