Shore fly
to be mostly a nuisance pest, but the insects can act as vectors for disease organisms, such as Fusarium , among both food crops and ornamentals . Damage [...] they are considered a nuisance pest because the flies : Leave their feces (as black flecks) on the foliage of ornamentals or food crops, causing cosmetic [...] employees and browsing customers. Are capable of transmitting pathogens such as Fusarium , Pythium , and other root diseases. Life cycle and appearance of