Stable fly
when the average number per leg is as low as two. When populations are very large (> 25 flies/leg), the insects will begin to cluster on the animals’ undersides [...] appearance of the Stable fly Adult stable flies are between 5–7 mm in size and largely resemble the house fly , even having a four-striped thorax. However, they [...] sausage-shaped eggs (singly, or in bunches of 25–30) in humid areas with large amounts of decaying organic matter, such as compost piles, hay bales, spilled