is nearly cosmopolitan in distribution and prefers grasses, cereals, and sedges.
Common names. Bird cherry-oat aphid.
Distribution. This aphid is globally distributed, located in all but the coldest terrestrial habitats.
Host associations. It has a broad host range, having been recorded from species of over 20 plant families.
Economic importance. It is particularly important on grasses, cereals, and rosaceous plant species, but also attacks a broad range of other plants including aquatic and semiaquatic species. It has been implicated in the transmission of at least 15 plant viruses.