Which type of fly often appears in early spring?

The little house fly is known for its early spring appearance due to its life cycle and reproductive habits. These flies are typically active in warmer months but can emerge in early spring when temperatures begin to rise. They are commonly found in both indoor and outdoor environments, often breeding in decaying organic material and in food waste. Their adaptability to human environments allows them to thrive as soon as conditions become favorable, making them one of the first fly species to become noticeable after winter.

The stable fly, face fly, and flesh fly, while they do have defined seasons of activity, are generally not as prevalent in the early spring. The stable fly typically becomes more noticeable later in the season, especially during summer months associated with livestock. Face flies are more abundant during warmer months as well, while flesh flies often appear in conjunction with decaying animal matter, which may not be as readily available until the later spring or summer. Therefore, the little house fly stands out for its early emergence compared to other types of flies mentioned.