As a result of the infestation by Stink Bugs, the ear stem is twisted and the husk leaf separation is typical of the damage produced (Image courtesy of CIMMYT).

A egg clusters of Stink Bugs on the upper leaf surface ( Image courtesy of CIMMYT).

This picture shows the Brown Stink Bugs, Euschistus servus. Acrosternum marginatum and Nezara viridula are green and has a distinctive odor, they are similar in appearance (Image courtesy of CIMMYT).