| Publication Type: | Journal Article |
| Year of Publication: | 1952 |
| Authors: | A. A. Stackelberg |
| Keywords: | Key to species, Syrphidae, Xylota, Zelima |
Taxonomic name:
| Publication Type: | Journal Article |
| Year of Publication: | 1952 |
| Authors: | A. A. Stackelberg |
| Keywords: | Key to species, Syrphidae, Xylota, Zelima |