Halyomorpha halys, Nezara viridula
Shield-shaped bugs that pierce fruit and vegetables to feed, causing dimpled, distorted produce. Brown marmorated stink bug is an invasive species causing major crop damage.
Shield-shaped, 1/2 to 3/4 inch. Brown marmorated has brown mottled coloring with banded antennae. Green stink bug is bright green. Emit foul odor when disturbed.
Dimpled, distorted fruit. Cat-facing on tomatoes and peppers. Corky spots in flesh. Sunken areas on fruit surface. Reduced fruit quality.
1-2 generations per year. Adults overwinter in buildings and debris. Eggs laid in clusters on leaf undersides. Nymphs develop through 5 stages.
Seal entry points to buildings. Remove weeds and debris. Use row covers. Plant trap crops away from main garden. Monitor and hand-pick early.