In late winter and early spring, the unpleasant presence of flies in a lethargic state inside homes is often noticed. The flies that infest homes in this way generally belong to one or other of the three most widespread species.
Unlike blow flies and face flies, which can contaminate food through their breeding and feeding habits, earthworms are usually harmless to your health. Its presence is, however, annoying and it unfortunately parasitizes earthworms.