Sep 27, 2019 · Why do stink bugs stink, exactly? These bugs don’t stink for kicks—they actually release an odor as a defense mechanism that’s used to fend off predators, like birds and fish.

Oct 6, 2025 · Stink bugs produce an oily secretion containing chemicals like trans-2-decenal and trans-2-octenal. These compounds create a sharp, herbal, or skunky odor used for self-defense.

The stink bug smell is one the features that makes this insect unique. Read on for details on why they release the odor, how it smells like, how to get rid of it, how long it lasts plus more.

Jan 26, 2026 · Stink bugs release a sharp, unpleasant odor that many people describe as cilantro-like, musty, or similar to rotten vegetables. Some also notice skunk-like or rubbery notes.

Aug 19, 2025 · The odor released by stink bugs is widely described as strong and unpleasant, though perceptions can vary. Many people liken the scent to cilantro or coriander, noting a peppery quality.

Dec 15, 2025 · Stink bugs, a harmless but annoying pest, emit a pungent odor when threatened or crushed. The odor is more prominent when the bug is frightened, disturbed, or killed by crushing.

Sep 27, 2023 · Stink bugs emit an unpleasant smell, which can differ vastly depending on the person perceiving it. Typical descriptions include cilantro, ammonia, sulfur, burnt tires, peppery, rotten fruits …