| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | H. P. I. Bertrand |
| Journal: | Ann. Soc. Ent. France |
| Volume: | 124 |
| Pagination: | 97–139 |
| Publication Type: | Journal Article |
| Year of Publication: | 1956 |
| Authors: | H. P. I. Bertrand |
| Journal: | Ann. Soc. Ent. France |
| Volume: | 124 |
| Pagination: | 97–139 |