Skvarla, Michael J.; Halbert, Susan E.; Foottit, Robert G.; Jensen, Andrew S.; etal. (2017). "An Update to the Adventive Aphids (Hemiptera: Aphidoidea) of America North of Mexico, with Notes on Intercepted Species". Proceedings of the Entomological Society of Washington. 119: 90–111. doi:10.4289/0013-8797.119.1.90. ISSN0013-8797.