Shore fly
breed readily in other moist environments. In greenhouses, adults feed on algae and their larvae on algae and decaying organic matter on planting substrate [...] r organisms, they do not cause any direct damage to plant production. However, they are considered a nuisance pest because the flies : Leave their feces [...] quick fliers and can move throughout a greenhouse readily, they generally remain close to breeding sites. They breed in algae growing on soil, pots, benches