Acyrthosiphon pisum
is a cosmopolitan aphid species that attacks mainly Fabaceae.
Common names. Pea aphid.
Distribution. This aphid is globally distributed throughout all temperate regions of the world.
Host associations. It has a moderate host range, feeding on many species of among 13 plant families including over 200 species of Fabaceae. In Europe and Asia, this species is represented by a number of races and subspecies.
Economic importance. It is particularly important on peas, beans, alfalfa and clover, but also attacks beets, cucurbits, various species of Brassicaceae. It has been implicated in the transmission of over 40 plant viruses.
See also. Taxonomy at Aphid Species File. Aphids on the World's Plants. Literature references.
