Key small-grain insects
Scouting for insects in small grains should begin after plant emergence and continue until harvest. In wheat, corn leaf and English grain aphids and Hessian fly can attack young seedlings in the fall and early spring. Armyworm can clip off wheat heads as the grain begins to reach maturity.
|Attacks Oats, Wheat, Barley, and Rye|
|Cereal leaf beetle||True armyworm|
|In Early Summer:|
|In Late Summer and Fall:|
|Hessian fly||Aphid spp.|
Reference: The Agronomy Guide Table 2.1-5.