What are black flies used for in Santeria?

In Santería, black flies, often referred to as "moscas negras," are used in rituals as offerings or sacrifices to appease spirits and deities. They are believed to possess protective qualities and can be utilized in various ceremonies to enhance spiritual communication. Additionally, their use may symbolize the release of negative energies or attract positive influences. Overall, they play a role in the intricate practices of this Afro-Caribbean religion.