They aren't called Queens, they are born Queens. Their psychic scent is very distinct, especially to a Warlord Prince. The Queens are our moral center and the heart of the lands, the focal point of our Society. Not all Queens are meant to be Territory Queens, some are village or Province Queens. Village Queens report to Province Queens, who report to Territory Queens.
Well yes and no. There *are* kindred spiders in the territory of Arachne, but the Black Widow caste refers to those witches that are trained in illusions, poisons, healing the mind and can weave the webs of visions and dreams.