''Diuraphis tritici'', the western wheat aphid, is a wheat pest native to
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
. The aphid can also live on ''
Bromus marginatus''.
References
Aphididae
Insect pests of wheat
Hemiptera of North America
{{Aphididae-stub