| Publication Type: | Journal Article |
| Year of Publication: | 1953 |
| Authors: | A. A. Stackelberg |
| Journal: | Entomological Review |
| Volume: | XXXIII |
| Pagination: | 1-21 |
| Type of Article: | manuscript copy |
| Keywords: | Diptera, Key to species, Orthoneura, Palaearctic, Syrphidae |
Taxonomic name: