House flies (Musca domestica) live in close association with humans and domestic animals. It is a major fly pest in California especially in…

Little house flies  (Fannia canicularis) are smaller than the house fly. The adult is black or dull gray in color. Adults usually congregate outdoors…

Blow flies (Calliphoridae) have a distinct shiny blue, copper, or green coloration and tend to be larger than house flies. They are associated with…