Answer by
earthlink (120)
Bugs (or more properly, insects) living in stone walls may be social (such as ants, bees, wasps and in peculiar circumstances, termites) or solitary, such as roly-poly bugs (an artropod related to crabs), True Bugs (Hemiptera) such as over - wintering squash bugs or Alder bugs, even creepy crawlies such as millipedes and centipedes.