| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | A. A. Stackelberg |
| Pagination: | 29 |
| Keywords: | Diptera, Key to species, Neoascia, Palaearctic, Penthesilea, Sphegina, Syrphidae, Zelima |
Taxonomic name:
| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | A. A. Stackelberg |
| Pagination: | 29 |
| Keywords: | Diptera, Key to species, Neoascia, Palaearctic, Penthesilea, Sphegina, Syrphidae, Zelima |