Drosophila obscura

Drosophila obscura is a very common European species of fruit fly. It lives in most habitats except coastal areas and open heathland.
Larvae can be found in the sap runs of deciduous trees.
The name covers a whole group of very similar species. They are all in the subgenus "Sophophera", which includes the common Mediterranean fly "Drosophila subobscura" and the North American "D. pseudoobscura". The group is called the "Drosophila obscura" species group.