| japan | | diphyllobothrium stemmacephalum | species | 5 | 0 |
| japan | kanagawa prefecture | diphyllobothrium stemmacephalum | species | 2 | 0 |
| japan | kochi prefecture | diphyllobothrium stemmacephalum | species | 6 | 0 |
| ukraine | | diphyllobothrium stemmacephalum | species | 3 | 0 |
| ukraine | zaporizhia oblast | diphyllobothrium stemmacephalum | species | 3 | 0 |
| united states | | diphyllobothrium stemmacephalum | species | 4 | 0 |