| canada | manitoba | optioservus fastiditus | species | 1 | 0 |
| canada | ontario | optioservus sp. bold:aaa9073 | no rank | 20 | 0 |
| canada | ontario | optioservus sp. bold-2016 | species | 2 | 0 |
| canada | saskatchewan | optioservus fastiditus | species | 1 | 0 |
| japan | tottori prefecture | optioservus hagai | species | 3 | 0 |
| japan | tottori prefecture | optioservus maculatus | species | 3 | 0 |
| japan | tottori prefecture | optioservus nitidus | species | 1 | 0 |
| japan | tottori prefecture | optioservus sp. hd073 | species | 1 | 0 |
| japan | tottori prefecture | optioservus sp. hd074 | species | 1 | 0 |
| united states | pennsylvania | optioservus sp. bold:aaa9073 | no rank | 33 | 0 |
| united states | pennsylvania | optioservus sp. wccms1396-13 | species | 1 | 0 |