Originally posted by coquetteYou plug up the holes, from whence they came (black or otherwise), so they can't return to their "nests" and you put out a smorgasbord of their favourite (noodles Aliendante, Lobster Thermonuclear....you get the picture) laced with warfarin and just wait. Problem solved. Now disposing of the carcasses may mean a big bonfire but that's just a bonus...marshmallow roast.
Honestly, now.