Nature is filled with a wide variety of beneficial insects whose diet consists mainly of the little pests that invade your gardens. Yes, there really are "good bugs" and they are a great way to combat the pests that are ready and waiting to devour and destroy your plants. Some of these good guys may have been hanging around and you didn't realize they were actually keeping pests off of your favorite flowers or vegetables. Let's take a look at some of these beneficial predatory insects so you can learn who your allies are.