References
* "Adventive aphids (Hemiptera: Aphididae) of America north of Mexico", Foottit R.G., Halbert S.E., Miller G.L., Maw E., Russell L.M. 2006. ''Proc. Ent. Soc. Wash.'' 108: 583–610.Further reading
* Insects described in 1918 Macrosiphini Hemiptera of North America {{Aphididae-stub