Stink bugs are small, shield-shaped insects belonging to the family Pentatomidae. They are typically brown or green and can be found in gardens, fields, and homes. Stink bugs are known for their distinctive odor, which they release as a defense mechanism when threatened. These insects primarily feed on plants, using their specialized mouthparts to suck out juices from fruits, vegetables, and other crops. While they are not harmful to humans, their presence can be a nuisance, especially when they invade homes during colder months in search of warmth.