of any kind will also attract other critters as a free meal. this could mean larger problems from centipedes to mice in the home feeding off the dying bee population. if the bees are gone (or dead) but the honeycomb was not handled it could start to drain in or onto the walls, floors and other parts of the home. this creates hard to remove stains. possibly the worst side effect of sorts from dead bees is the attraction they create for new bees. additional colonies will often move into the hive of the old colony or spread to other areas of the home. have a professional inspect the property 