is a highly polyphagous and cosmopolitan aphid species.
Common names. Ornate aphid, Violet 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 nearly 80 plant families.
Economic importance. It is particularly important on crucifers, cucurbits, and onion, but also attacks a broad range of other crops such as peas, soybean, strawberry, and a variety of ornamentals. It has been implicated in the transmission of nearly 20 plant viruses.