1d83ea69___Publications___UGA_Extension__Symptom_s__of_Damage
[Insect] Stink bugs [Description of insect] The brown stink bug is shield-shaped, about ½ inch long, and has needle-like mouthparts. [Symptom(s) of Damage] 
Plants bent or twisted, suckers may be apparent; plants stunted; necrotic area at or near growing point. Generally, occurs with a cover crop or a small grain crop planted the previous fall.
Georgia Corn Diagnostic Guide | Publications | UGA Extension
Symptom(s) of Damage