The term "Face Fly" refers to a specific type of fly that predominantly infests the face of livestock. However, there are various synonyms commonly used to describe these bothersome insects. These include "Head Fly", as they often target the upper part of an animal's body. Additionally, they are known as "Eye Gnats", due to their affinity for hovering around animals' eyes. These pests can also be called "Livestock Flies" or "Livestock Face Flies", as they mainly bother cattle, horses, and other farm animals. Regardless of the term used, these flies are a nuisance to livestock, leading to irritation and potential health issues.