This app has a comprehensive list and discription of over 2000 butterflies of all kinds. It gives you an easy to select list in alphabetic order. It also allows you to find information on over 2000 butterflies, including descriptions as well as images on the internet. This is not a complete list, but it gives you a quick and easy way to find information on the majority of the butterflies around the world. Note: You need access to the internet to enjoy this app.