Stink bugs can be serious pests in farms, gardens, and orchards. There are a few species of stink bugs that are predators, but they eat other insects. They eat harmful pests like caterpillars and even other stink bugs. These predatory stink bugs are beneficial because they help protect plants. Controlling & Preventing Stink Bugs. Even though stink bugs do not normally bite people, they can be nuisances when they get into homes. read more