brown stink bug adult MER copy.jpg

Brown stinkbug


  • Adult: Broad, flat, shield-shaped bugs that are brown on top with a yellowish underside. About ½" long.
  • Nymphs: Look similar to adults but lack wings.
  • Eggs: Round, laid in clusters and orange with a ring of white hairlike structures on the top.

Timing of damage: VE to R3

Type of damage: Holes in the leaves that are often ringed in yellow. Tillering, wilting and plant death can also occur.

Scouting: Examine 20 consecutive plants in each of five different locations in the field (100 plants total). Record percentage of damaged plants and level of infestation.

Economic threshold: There is no established threshold but treatment is most effective when
applied at or just after plant emergence.

Similar Pests

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