Didea Fasciata (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Didea fasciata is a Europen species of hoverfly.In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are often used, such as similarity of DNA, morphology or ecological niche.