is a cosmopolitan aphid species that feeds mostly on grasses and cereals.
Common names. English grain aphid, Grain aphid.
Distribution. This aphid is found in most regions worldwide except the Oriental biogeographic region, Australia, New Zealand, and the coldest terrestrial habitats.
Host associations. It has a broad host range, having been recorded from species of nearly 20 plant families.
Economic importance. It is particularly important on corn, sorghum, oats, rye, and wheat. It has been implicated in the transmission of at least 4 plant viruses.