| australia | new south wales | eristalis tenax | species | 1 | 0 |
| canada | | eristalis cryptarum | species | 5 | 0 |
| canada | | eristalis dimidiata | species | 4 | 0 |
| canada | alberta | eristalis anthophorina | species | 3 | 0 |
| canada | alberta | eristalis arbustorum | species | 1 | 0 |
| canada | alberta | eristalis flavipes | species | 3 | 0 |
| canada | alberta | eristalis hirta | species | 1 | 0 |
| canada | alberta | eristalis sp. bold:aaa6459 | species | 1 | 0 |
| canada | alberta | eristalis sp. bold:aae4458 | species | 2 | 0 |
| canada | alberta | eristalis tenax | species | 3 | 0 |
| canada | british columbia | eristalis anthophorina | species | 7 | 0 |
| canada | british columbia | eristalis arbustorum | species | 2 | 0 |
| canada | british columbia | eristalis cryptarum | species | 1 | 0 |
| canada | british columbia | eristalis flavipes | species | 1 | 0 |
| canada | british columbia | eristalis hirta | species | 2 | 0 |
| canada | british columbia | eristalis obscura | species | 2 | 0 |
| canada | british columbia | eristalis tenax | species | 4 | 0 |
| canada | manitoba | eristalis anthophorina | species | 2 | 0 |
| canada | manitoba | eristalis brousii | species | 3 | 0 |
| canada | manitoba | eristalis dimidiata | species | 8 | 0 |
| canada | manitoba | eristalis flavipes | species | 4 | 0 |
| canada | manitoba | eristalis fraterculus | species | 2 | 0 |
| canada | manitoba | eristalis obscura | species | 7 | 0 |
| canada | manitoba | eristalis rupium | species | 1 | 0 |
| canada | manitoba | eristalis sp. bold:aaa6459 | species | 2 | 0 |
| canada | manitoba | eristalis sp. bold:aab1409 | species | 1 | 0 |
| canada | newfoundland and labrador | eristalis cryptarum | species | 1 | 0 |
| canada | northwest territories | eristalis obscura | species | 1 | 0 |
| canada | nova scotia | eristalis obscura | species | 1 | 0 |
| canada | ontario | eristalis anthophorina | species | 3 | 0 |
| canada | ontario | eristalis dimidiata | species | 39 | 0 |
| canada | ontario | eristalis interrupta | species | 1 | 0 |
| canada | ontario | eristalis stipator | species | 1 | 0 |
| canada | ontario | eristalis tenax | species | 15 | 0 |
| canada | ontario | eristalis transversa | species | 7 | 0 |
| canada | quebec | eristalis dimidiata | species | 2 | 0 |
| canada | quebec | eristalis flavipes | species | 1 | 0 |
| canada | quebec | eristalis tenax | species | 14 | 0 |
| canada | saskatchewan | eristalis anthophorina | species | 1 | 0 |
| canada | saskatchewan | eristalis sp. bold:aaa6459 | species | 1 | 0 |
| canada | yukon | eristalis anthophorina | species | 1 | 0 |
| finland | kainuu region | eristalis rupium | species | 4 | 0 |
| finland | northern ostrobothnia region | eristalis anthophorina | species | 1 | 0 |
| finland | northern ostrobothnia region | eristalis arbustorum | species | 1 | 0 |
| finland | northern ostrobothnia region | eristalis rupium | species | 2 | 0 |
| finland | uusimaa region | eristalis anthophorina | species | 1 | 0 |
| finland | uusimaa region | eristalis obscura | species | 2 | 0 |
| finland | uusimaa region | eristalis pertinax | species | 1 | 0 |
| france | | eristalis tenax | species | 1 | 0 |
| france | languedoc-roussillon region | eristalis tenax | species | 1 | 0 |
| georgia | imereti region | eristalis tenax | species | 25 | 0 |
| georgia | racha-lechkhumi and kvemo svaneti region | eristalis pertinax | species | 1 | 0 |
| georgia | racha-lechkhumi and kvemo svaneti region | eristalis tenax | species | 1 | 0 |
| germany | rhineland-palatinate | eristalis pertinax | species | 1 | 0 |
| greece | | eristalis tenax | species | 2 | 0 |
| greece | north aegean region | eristalis tenax | species | 12 | 0 |
| india | | eristalis arbustorum | species | 6 | 0 |
| india | | eristalis tenax | species | 11 | 0 |
| india | himachal pradesh | eristalis tenax | species | 2 | 0 |
| italy | sardinia autonomous region | eristalis tenax | species | 4 | 0 |
| new zealand | | eristalis tenax | species | 1 | 0 |
| pakistan | islamabad capital territory | eristalis sp. bioug15398-c09 | species | 1 | 0 |
| pakistan | islamabad capital territory | eristalis sp. bioug15398-c10 | species | 1 | 0 |
| poland | | eristalis pertinax | species | 3 | 0 |
| portugal | aveiro district | eristalis arbustorum | species | 1 | 0 |
| portugal | aveiro district | eristalis tenax | species | 1 | 0 |
| portugal | braganca district | eristalis arbustorum | species | 2 | 0 |
| portugal | braganca district | eristalis tenax | species | 2 | 0 |
| portugal | castelo branco district | eristalis arbustorum | species | 1 | 0 |
| portugal | vila real district | eristalis pertinax | species | 1 | 0 |
| russia | | eristalis tenax | species | 4 | 0 |
| russia | sakha republic | eristalis anthophorina | species | 2 | 0 |
| south korea | incheon city | eristalis arbustorum | species | 68 | 0 |
| spain | | eristalis tenax | species | 8 | 0 |
| spain | valencia | eristalis tenax | species | 4 | 0 |
| sweden | uppsala | eristalis arbustorum | species | 2 | 0 |
| togo | | eristalis apis | species | 2 | 0 |
| turkey | | eristalis tenax | species | 1 | 0 |
| united states | alaska | eristalis cryptarum | species | 1 | 0 |
| united states | alaska | eristalis flavipes | species | 1 | 0 |
| united states | alaska | eristalis hirta | species | 2 | 0 |
| united states | new hampshire | eristalis transversa | species | 1 | 0 |
| united states | oregon | eristalis stipator | species | 1 | 0 |
| united states | oregon | eristalis tenax | species | 1 | 0 |
| united states | virginia | eristalis dimidiata | species | 1 | 0 |