- Adult: Bright green and shield-shaped.
- Nymphs: Similar to adults but wingless and more varied in color.
- Eggs: Laid on leaf undersides and are barrel shaped and glued together in a mass.
Timing of damage: R3 to R8
Type of damage: Discolored or deformed beans. Stink bugs suck the fluids from pods and seeds.
Scouting: Take 20 sweeps with a net in five locations of a field. Determine the average number of bugs per sweep.
Economic threshold: Commercial: 40 bugs per 100 sweeps and pods are still green. Seed: 20 bugs per 100 sweeps and pods are still green.