Greenbugs on Small Grain Including Control of English Grain Aphid

The two most important aphids occurring on small grain in South Dakota are the greenbug and the English grain aphid. The greenbug is the most important of these aphids because during the feeding process it injects a toxic saliva into the plants which causes discoloration and tissue destruction. Greenbugs feed on all small grains as well as some cultivated and wild grasses