Say's Stink Bug

Natural Habitat

Fields, orchards, and gardens, particularly near sagebrush and weed-heavy areas

Diet & Feeding

Herbivorous. Feeds on the seeds, fruits, and juices of various plants including alfalfa, wheat, and berries.

Behavior Patterns

Nymphs like the one pictured go through five instars before becoming adults. They are often seen on the tips of vegetation feeding or basking. They overwinter as adults under leaf litter.

Risks & Benefits

Minor agricultural pest as they can damage fruit and seed crops with their piercing-sucking mouthparts. They produce a foul-smelling liquid to deter predators.

Identified on: 6/30/2026