is a species of temperate habitats that feeds mostly on the roots of grasses.
Common names. None recognized.
Distribution. This aphid is globally distributed throughout most temperate regions of the world.
Host associations. It has a greater range of hosts than its congener, G. setulosa, and is known to feed on roots of at least 40 species of grasses (Poaceae).
Economic importance. It is particularly important on Agrotis, Avena, Bromus, Festuca, Poa, Sorghum, Zea, and other grasses. It also attacks 6 species of Pistacia (Anacardiaceae), some composites (Asteraceae), and Plantago (Plantaginaceae). It has not been implicated in the transmission of any plant virus.
See also. Taxonomy at Aphid Species File. Aphids on the World's Plants. Literature references.