| anguilla | | bothriocephalus claviceps | species | 0 | 14 |
| canada | nova scotia | bothriocephalus claviceps | species | 0 | 1 |
| china | fujian | bothriocephalus claviceps | species | 1 | 0 |
| czech republic | | bothriocephalus claviceps | species | 3 | 0 |
| france | corse region | bothriocephalus claviceps | species | 0 | 1 |
| japan | | bothriocephalus claviceps | species | 1 | 0 |
| japan | wakayama prefecture | bothriocephalus claviceps | species | 25 | 0 |
| poland | | bothriocephalus claviceps | species | 2 | 0 |
| reunion | | bothriocephalus claviceps | species | 0 | 1 |
| united states | | bothriocephalus claviceps | species | 4 | 0 |