| algeria | | pollenia rudis | species | 9 | 0 |
| algeria | | pollenia vagabunda | species | 9 | 0 |
| canada | | pollenia griseotomentosa | species | 1 | 0 |
| canada | | pollenia labialis | species | 4 | 0 |
| canada | | pollenia pediculata | species | 20 | 0 |
| canada | | pollenia rudis | species | 2 | 0 |
| canada | | pollenia vagabunda | species | 2 | 0 |
| canada | alberta | pollenia pediculata | species | 26 | 0 |
| canada | alberta | pollenia rudis | species | 4 | 0 |
| canada | alberta | pollenia vagabunda | species | 1 | 0 |
| canada | british columbia | pollenia griseotomentosa | species | 63 | 0 |
| canada | british columbia | pollenia labialis | species | 12 | 0 |
| canada | british columbia | pollenia pediculata | species | 6 | 0 |
| canada | british columbia | pollenia rudis | species | 63 | 0 |
| canada | british columbia | pollenia vagabunda | species | 71 | 0 |
| canada | manitoba | pollenia pediculata | species | 9 | 0 |
| canada | manitoba | pollenia rudis | species | 20 | 0 |
| canada | new brunswick | pollenia griseotomentosa | species | 1 | 0 |
| canada | new brunswick | pollenia labialis | species | 8 | 0 |
| canada | new brunswick | pollenia pediculata | species | 43 | 0 |
| canada | new brunswick | pollenia sp. bold-2016 | species | 1 | 0 |
| canada | new brunswick | pollenia vagabunda | species | 7 | 0 |
| canada | newfoundland and labrador | pollenia griseotomentosa | species | 13 | 0 |
| canada | newfoundland and labrador | pollenia labialis | species | 4 | 0 |
| canada | newfoundland and labrador | pollenia pediculata | species | 28 | 0 |
| canada | newfoundland and labrador | pollenia rudis | species | 7 | 0 |
| canada | newfoundland and labrador | pollenia vagabunda | species | 6 | 0 |
| canada | nova scotia | pollenia griseotomentosa | species | 1 | 0 |
| canada | nova scotia | pollenia labialis | species | 7 | 0 |
| canada | nova scotia | pollenia pediculata | species | 69 | 0 |
| canada | nova scotia | pollenia rudis | species | 4 | 0 |
| canada | nova scotia | pollenia vagabunda | species | 41 | 0 |
| canada | ontario | pollenia angustigena | species | 32 | 0 |
| canada | ontario | pollenia griseotomentosa | species | 69 | 0 |
| canada | ontario | pollenia labialis | species | 62 | 0 |
| canada | ontario | pollenia pediculata | species | 2440 | 0 |
| canada | ontario | pollenia rudis | species | 234 | 0 |
| canada | ontario | pollenia sp. bold:aap2825 | species | 1 | 0 |
| canada | ontario | pollenia sp. bold-2016 | species | 43 | 0 |
| canada | ontario | pollenia vagabunda | species | 184 | 0 |
| canada | prince edward island | pollenia griseotomentosa | species | 1 | 0 |
| canada | prince edward island | pollenia pediculata | species | 23 | 0 |
| canada | prince edward island | pollenia rudis | species | 2 | 0 |
| canada | prince edward island | pollenia vagabunda | species | 12 | 0 |
| canada | quebec | pollenia labialis | species | 2 | 0 |
| canada | quebec | pollenia pediculata | species | 7 | 0 |
| canada | quebec | pollenia vagabunda | species | 2 | 0 |
| canada | saskatchewan | pollenia pediculata | species | 2 | 0 |
| canada | saskatchewan | pollenia rudis | species | 1 | 0 |
| china | xinjiang | pollenia pediculata | species | 2 | 0 |
| finland | uusimaa region | pollenia amentaria | species | 1 | 0 |
| germany | | pollenia amentaria | species | 1 | 0 |
| germany | | pollenia labialis | species | 2 | 0 |
| germany | | pollenia pediculata | species | 1 | 0 |
| india | | pollenia rudis | species | 1 | 0 |
| iran | | pollenia pediculata | species | 11 | 0 |
| iran | | pollenia rudis | species | 4 | 0 |
| ireland | | pollenia pediculata | species | 2 | 0 |
| ireland | | pollenia rudis | species | 3 | 0 |
| norway | | pollenia pediculata | species | 1 | 0 |
| norway | | pollenia rudis | species | 1 | 0 |
| poland | | pollenia amentaria | species | 5 | 0 |
| poland | | pollenia angustigena | species | 9 | 0 |
| poland | | pollenia atramentaria | species | 6 | 0 |
| poland | | pollenia griseotomentosa | species | 3 | 0 |
| poland | | pollenia labialis | species | 2 | 0 |
| poland | | pollenia pediculata | species | 6 | 0 |
| poland | | pollenia rudis | species | 6 | 0 |
| poland | | pollenia vagabunda | species | 6 | 0 |
| portugal | | pollenia rudis | species | 1 | 0 |
| slovenia | | pollenia pediculata | species | 1 | 0 |
| slovenia | | pollenia rudis | species | 1 | 0 |
| spain | | pollenia vagabunda | species | 2 | 0 |
| switzerland | | pollenia atramentaria | species | 1 | 0 |
| united kingdom | | pollenia rudis | species | 1 | 0 |
| united kingdom | england | pollenia rudis | species | 1 | 0 |
| united states | ohio | pollenia pediculata | species | 8 | 0 |
| united states | south carolina | pollenia pediculata | species | 1 | 0 |