| united states | arizona | xanthocephalus xanthocephalus | species | 0 | 1 |
| united states | california | xanthocephalus xanthocephalus | species | 0 | 1 |
| united states | illinois | xanthocephalus xanthocephalus | species | 1 | 0 |
| united states | texas | xanthocephalus xanthocephalus | species | 0 | 1 |
| united states | washington | xanthocephalus xanthocephalus | species | 3 | 0 |