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↑Pike, Boydston & Allison (1990) Alate aphid viviparae associated with small grains in North America: a key and morphometric characterization, Journal of the Kansas Entomological Society 63(4):559-602
↑Mordvilko (1935) Die Blattläuse mit unvollständigem Generationszyklus und ihre Entstehung, Ergebnisse und Fortschritte der Zoologie 8:36-328
↑Brown, P.A. & Blackman (1994) Morphometric variation in the Geoica utricularia (Homoptera: Aphididae) species group on Pistacia (Anacardiaceae), with descriptions of new species and a key to emigrant alatae, Systematic Entomology 19(2):119-132
↑ 9.09.1Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
↑AphidSF: Aphid Species File. Favret C., 14 Abril 2010