Crops attacked by this aphid include brassicas, cucurbits, beetroot, peanut, cotton, cowpeas, chickpeas and cardamom. Sugarcane, rice, wheat, maize and cucurbits are the major cultivated crops. In agriculture, downy mildews are a particular problem for potato, grape, tobacco and cucurbits farmers. With cucurbits, wilting can be caused by the squash vine borer. In squash, watermelon and other cucurbits, PRSV-W causes mottling and distortion of leaves and fruit. Cucurbits, cherry, and cassava serve as natural hosts. When this pathogen infects the fruit of cucurbits it is called black rot . Cucurbits, cherry, and cassava serve as the natural host. "Sphaerotheca fuliginea" causes a similar looking powdery mildew of cucurbits. SqMV and CMV are the most common viruses among cucurbits. The disease is one of the most significant diseases of cucurbits worldwide. A study also described the effect of different insecticide treatments on cucurbits in South America. PRSV is the only one of these viruses that does not affect all cucurbits. For example, cucurbits are often represented in Moche ceramics.