| canada | alberta | parelaphostrongylus odocoilei | species | 0 | 2 |
| canada | british columbia | parelaphostrongylus odocoilei | species | 16 | 2 |
| canada | northwest territories | parelaphostrongylus odocoilei | species | 19 | 5 |
| canada | yukon | parelaphostrongylus odocoilei | species | 2 | 1 |
| united states | alaska | parelaphostrongylus odocoilei | species | 1 | 2 |
| united states | california | parelaphostrongylus odocoilei | species | 3 | 2 |
| united states | montana | parelaphostrongylus odocoilei | species | 1 | 0 |
| united states | oregon | parelaphostrongylus odocoilei | species | 2 | 2 |
| united states | south carolina | parelaphostrongylus odocoilei | species | 0 | 2 |
| united states | washington | parelaphostrongylus odocoilei | species | 0 | 2 |