Metopolophium festucae cerealium (Hemiptera: Aphididae), a new addition to the aphid fauna of North America.

Metopolophium festucae cerealium (Stroyan) (Hemiptera: Aphididae) was found in wheat fields in the Pacific Northwest in 2011 and 2012. This is the first record of M. f. cerealium in North America. This subspecies can be a serious pest of cereal crops.