| australia | new south wales | sphaeridiotrema globulus | species | 0 | 1 |
| canada | quebec | sphaeridiotrema globulus | species | 0 | 1 |
| canada | quebec | sphaeridiotrema pseudoglobulus | species | 1 | 1 |
| united states | minnesota | sphaeridiotrema globulus | species | 0 | 1 |
| united states | minnesota | sphaeridiotrema pseudoglobulus | species | 7 | 1 |
| united states | mississippi | sphaeridiotrema globulus | species | 0 | 1 |
| united states | mississippi | sphaeridiotrema pseudoglobulus | species | 0 | 1 |
| united states | new jersey | sphaeridiotrema globulus | species | 0 | 2 |
| united states | new jersey | sphaeridiotrema pseudoglobulus | species | 0 | 1 |
| united states | wisconsin | sphaeridiotrema globulus | species | 0 | 1 |
| united states | wisconsin | sphaeridiotrema pseudoglobulus | species | 0 | 1 |