|This article relies largely or entirely upon a single source. (September 2011) |
The Holarctic Drosophila populi species group belongs to the subgenus Sophophora and contains two species, Drosophila ingrica and Drosophila populi. D. ingrica is found in the Palearctic, while D. populi is found in the Nearctic. Both species are found in the northernmost subarctic forest zone, and are strongly associated with cotton wood.
- ^ Vilela, C. R., and G. Bächli. 2009. Redescription of the Alaskan species Drosophila populi (Diptera, Drosophilidae). Mitteilungen der Schweizerische Entomologischen Gesellschaft 82:259-269.