| canada | | monoctonus paulensis | species | 4 | 0 |
| canada | british columbia | monoctonus caricis | species | 5 | 0 |
| canada | british columbia | monoctonus crepidis | species | 1 | 0 |
| canada | manitoba | monoctonus sp. bold:aaa4188 | species | 2 | 0 |
| canada | manitoba | monoctonus sp. bold:aah7297 | species | 3 | 0 |
| canada | manitoba | monoctonus sp. mas bin243 | species | 1 | 0 |
| canada | manitoba | monoctonus sp. mas bin411 | species | 2 | 0 |
| canada | ontario | monoctonus cerasi | species | 2 | 0 |
| canada | prince edward island | monoctonus sp. bold:ach7992 | species | 1 | 0 |
| montenegro | | monoctonus crepidis | species | 4 | 0 |
| serbia | | monoctonus cerasi | species | 4 | 0 |
| serbia | | monoctonus crepidis | species | 21 | 0 |
| serbia | | monoctonus ligustri | species | 2 | 0 |
| slovenia | | monoctonus cerasi | species | 4 | 0 |
| slovenia | | monoctonus mali | species | 1 | 0 |
| united kingdom | | monoctonus pseudoplatani | species | 1 | 0 |
| united kingdom | wales | monoctonus cerasi | species | 2 | 0 |
| united states | | monoctonus cerasi | species | 1 | 0 |
| united states | | monoctonus paulensis | species | 3 | 0 |
| united states | alaska | monoctonus sp. knwr 1508 | species | 1 | 0 |