| Publication Type: | Journal Article |
| Year of Publication: | 1958 |
| Authors: | F. Keiser |
| Journal: | Revue Suisse de Zoologie |
| Volume: | 65 |
| Pagination: | 185-239 |
| Keywords: | Calcaretropidia, Calcaretropidia triangulifera (Keiser), Eosphaerophoria, Eosphaerophoria dentiscutellata (Keiser) |