| australia | | candidatus regiella insecticola | species | 1 | 0 |
| chile | | candidatus regiella insecticola | species | 63 | 0 |
| china | qinghai | candidatus regiella insecticola | species | 1 | 0 |
| costa rica | | candidatus regiella insecticola | species | 3 | 0 |
| india | | candidatus regiella insecticola | species | 7 | 0 |
| morocco | | candidatus regiella insecticola | species | 2 | 0 |
| switzerland | | candidatus regiella insecticola | species | 1 | 0 |
| united kingdom | | candidatus regiella insecticola | species | 1 | 0 |
| united states | | candidatus regiella insecticola | species | 1 | 0 |
| united states | arizona | candidatus regiella insecticola | species | 9 | 0 |
| united states | new york | candidatus regiella insecticola | species | 6 | 0 |
| united states | new york | candidatus regiella insecticola lsr1 | no rank | 353 | 0 |
| united states | wisconsin | candidatus regiella insecticola | species | 6 | 0 |