| canada | british columbia | myzocallis carpini | species | 4 | 0 |
| canada | british columbia | myzocallis sp. bold-2016 | species | 1 | 0 |
| canada | british columbia | myzocallis walshii | species | 1 | 0 |
| canada | manitoba | myzocallis asclepiadis | species | 1 | 0 |
| canada | new brunswick | myzocallis coryli | species | 2 | 0 |
| canada | nova scotia | myzocallis sp. bold:ack0282 | species | 1 | 0 |
| canada | ontario | myzocallis asclepiadis | species | 3 | 0 |
| canada | ontario | myzocallis bella | species | 1 | 0 |
| canada | ontario | myzocallis coryli | species | 1 | 0 |
| canada | ontario | myzocallis ephemerata | species | 2 | 0 |
| canada | ontario | myzocallis punctata | species | 3 | 0 |
| canada | ontario | myzocallis sp. bold:aae3464 | species | 1 | 0 |
| canada | ontario | myzocallis sp. bold-2016 | species | 12 | 0 |
| canada | ontario | myzocallis walshii | species | 15 | 0 |
| canada | prince edward island | myzocallis coryli | species | 1 | 0 |
| canada | quebec | myzocallis asclepiadis | species | 1 | 0 |
| canada | quebec | myzocallis coryli | species | 8 | 0 |
| czech republic | | myzocallis walshii | species | 4 | 0 |
| greece | | myzocallis castanicola | species | 2 | 0 |
| italy | | myzocallis castanicola | species | 4 | 0 |
| italy | | myzocallis coryli | species | 4 | 0 |
| new zealand | | myzocallis boerneri | species | 3 | 0 |
| united states | | myzocallis carpini | species | 3 | 0 |
| united states | | myzocallis punctata | species | 2 | 0 |
| united states | arizona | myzocallis agrifolicola | species | 3 | 0 |
| united states | indiana | myzocallis coryli | species | 1 | 0 |
| united states | michigan | myzocallis ephemerata | species | 1 | 0 |
| united states | tennessee | myzocallis bella | species | 1 | 0 |
| united states | wisconsin | myzocallis coryli | species | 1 | 0 |