| canada | | herbertus aduncus | species | 2 | 0 |
| china | | herbertus aduncus | species | 1 | 0 |
| japan | hiroshima prefecture | herbertus aduncus | species | 1 | 0 |
| united kingdom | | herbertus aduncus subsp. hutchinsiae | subspecies | 1 | 0 |
| united kingdom | scotland | herbertus aduncus subsp. hutchinsiae | subspecies | 1 | 0 |