Lesser house fly
Fannia species can be found worldwide, from the arctic to the temperate neotropics, and they typically reproduce in feces, compost and carrion. These flies [...] flies are less active and tend to remain close to breeding sites, where they deposit their small white eggs in batches of up to 100 on animal feces, moist [...] other microorganisms in the surrounding decaying matter. They can tolerate a wide range of moisture levels and are adapted to stay near the surface of near-liquid