New aphid found on wheat in North America and the PNW!

Until now, Metopolophium festucae cerealium has not been reported on cereal crops in the US, but it is a pest of wheat and other cereal crops in the UK. Studies suggest that this aphid prefers wheat to other grasses. In June and July 2011, a survey of aphids in wheat was initiated in Washington, Oregon and Idaho. M. f. cerealium was found in nearly every sample collected from both spring and winter wheat in all three states (Figure 1). 


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