Shore fly
decaying organic matter on planting substrate. Growers consider shore flies to be mostly a nuisance pest, but the insects can act as vectors for disease organisms [...] 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 [...] crops, causing cosmetic damage. Can develop quickly into dense swarms inside greenhouses, becoming an annoying deterrent to employees and browsing customers