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 [...] planting substrate. Growers consider shore flies to be mostly a nuisance pest, but the insects can act as vectors for disease organisms, such as Fusarium [...] direct damage to plant production. However, they are considered a nuisance pest because the flies: Leave their feces (as black flecks) on the foliage of