Cheiracanthium inclusum, alternately known as the black-footed yellow sac spider or the American yellow sac spider (in order to distinguish it from its European cousin C. punctorium), was formerly classified as a true sac spider (of the family Clubionidae), but now belongs to the long-legged sac spiders (family Miturgidae). It is a rather small pale yellow species that is indigenous to the Americas and can be found living in the foliage of forests and gardens but...