Shore fly
General Shore flies of the genus Scatella are a common greenhouse pest found throughout the United States, Canada and northern Mexico. In Europe and Asia [...] 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, such [...] cause any direct damage to plant production. However, they are considered a nuisance pest because the flies : Leave their feces (as black flecks) on the