Though stink bugs weren’t introduced to the United States until the 1990s, this invasive species has spread to nearly every state in the country. Their biggest enemies? Farmers who don’t like them feeding on crops and fruits. Readers don’t need to smell a squished stink bug to understand the harm they can cause not only to crops, but also to native species. The main content and fact boxes discuss how the stink bugs ended up in the United States and the efforts being made to stop their population from growing even more.