Sperrya (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Sperrya is a genus of moth in the family Geometridae. The geometer moths or Geometridae are a family of the order Lepidoptera. A very large family, it has around 35,000 species of moths described, and over 1,400 species from 6 subclasses indigenous to North America). A well-known member is the Peppered Moth, Biston betularia, which has been subject of numerous studies in population genetics. Several other geometer moths are notorious pests.