| benin | | syritta bulbus | species | 3 | 0 |
| benin | | syritta leona | species | 2 | 0 |
| canada | | blera badia | species | 1 | 0 |
| canada | | chalcosyrphus libo | species | 4 | 0 |
| canada | | syritta pipiens | species | 4 | 0 |
| canada | | temnostoma alternans | species | 3 | 0 |
| canada | | temnostoma excentrica | species | 3 | 0 |
| canada | | xylota quadrimaculata | species | 2 | 0 |
| canada | alberta | blera garretti | species | 3 | 0 |
| canada | alberta | blera nigra | species | 8 | 0 |
| canada | alberta | blera scitula | species | 1 | 0 |
| canada | alberta | chalcosyrphus curvaria | species | 2 | 0 |
| canada | alberta | chalcosyrphus nemorum | species | 4 | 0 |
| canada | alberta | chalcosyrphus sp. bold:aae8861 | species | 1 | 0 |
| canada | alberta | chalcosyrphus sp. bold:aag6762 | species | 7 | 0 |
| canada | alberta | chalcosyrphus vecors | species | 1 | 0 |
| canada | alberta | criorhina nigriventris | species | 1 | 0 |
| canada | alberta | temnostoma sp. bold:aac4506 | species | 2 | 0 |
| canada | alberta | temnostoma sp. bold:aap8759 | species | 1 | 0 |
| canada | alberta | xylota sp. bold:aag0857 | species | 2 | 0 |
| canada | alberta | xylota sp. bold:aaj9758 | species | 1 | 0 |
| canada | alberta | xylota sp. bold:abz0281 | species | 1 | 0 |
| canada | alberta | xylota sp. bold-2016 | species | 1 | 0 |
| canada | alberta | xylota subfasciata | species | 14 | 0 |
| canada | british columbia | blera confusa | species | 1 | 0 |
| canada | british columbia | blera flukei | species | 2 | 0 |
| canada | british columbia | blera garretti | species | 1 | 0 |
| canada | british columbia | blera nigra | species | 4 | 0 |
| canada | british columbia | blera scitula | species | 21 | 0 |
| canada | british columbia | brachypalpus femorata | species | 1 | 0 |
| canada | british columbia | chalcosyrphus libo | species | 2 | 0 |
| canada | british columbia | chalcosyrphus nemorum | species | 1 | 0 |
| canada | british columbia | chalcosyrphus ontario | species | 1 | 0 |
| canada | british columbia | chalcosyrphus sp. bold-2016 | species | 1 | 0 |
| canada | british columbia | criorhina bubulcus | species | 2 | 0 |
| canada | british columbia | criorhina nigriventris | species | 1 | 0 |
| canada | british columbia | criorhina tricolor | species | 2 | 0 |
| canada | british columbia | hadromyia crawfordi | species | 7 | 0 |
| canada | british columbia | syritta pipiens | species | 6 | 0 |
| canada | british columbia | temnostoma excentrica | species | 9 | 0 |
| canada | british columbia | temnostoma sp. bold:aac4506 | species | 1 | 0 |
| canada | british columbia | xylota barbata | species | 4 | 0 |
| canada | british columbia | xylota sp. bold-2016 | species | 1 | 0 |
| canada | british columbia | xylota subfasciata | species | 1 | 0 |
| canada | manitoba | blera confusa | species | 1 | 0 |
| canada | manitoba | chalcosyrphus sp. bold:aag6762 | species | 1 | 0 |
| canada | manitoba | chalcosyrphus valgus | species | 1 | 0 |
| canada | manitoba | temnostoma alternans | species | 5 | 0 |
| canada | manitoba | temnostoma balyras | species | 3 | 0 |
| canada | manitoba | temnostoma barberi | species | 2 | 0 |
| canada | manitoba | temnostoma excentrica | species | 3 | 0 |
| canada | manitoba | temnostoma sp. bold:aac4506 | species | 17 | 0 |
| canada | manitoba | temnostoma sp. bold:aad2789 | species | 1 | 0 |
| canada | manitoba | xylota annulifera | species | 1 | 0 |
| canada | manitoba | xylota flavifrons | species | 3 | 0 |
| canada | manitoba | xylota sp. bold:abz0281 | species | 1 | 0 |
| canada | manitoba | xylota subfasciata | species | 4 | 0 |
| canada | new brunswick | blera analis | species | 1 | 0 |
| canada | new brunswick | blera badia | species | 1 | 0 |
| canada | new brunswick | blera confusa | species | 1 | 0 |
| canada | new brunswick | blera nigra | species | 2 | 0 |
| canada | new brunswick | brachypalpus oarus | species | 1 | 0 |
| canada | new brunswick | chalcosyrphus curvaria | species | 1 | 0 |
| canada | new brunswick | chalcosyrphus libo | species | 1 | 0 |
| canada | new brunswick | criorhina nigriventris | species | 4 | 0 |
| canada | new brunswick | syritta pipiens | species | 1 | 0 |
| canada | new brunswick | temnostoma sp. bold:aac4506 | species | 1 | 0 |
| canada | new brunswick | temnostoma sp. cnkod039-14 | species | 1 | 0 |
| canada | new brunswick | xylota confusa | species | 1 | 0 |
| canada | newfoundland and labrador | blera confusa | species | 1 | 0 |
| canada | newfoundland and labrador | blera nigra | species | 1 | 0 |
| canada | newfoundland and labrador | chalcosyrphus nemorum | species | 2 | 0 |
| canada | newfoundland and labrador | syritta pipiens | species | 1 | 0 |
| canada | newfoundland and labrador | xylota flukei | species | 1 | 0 |
| canada | newfoundland and labrador | xylota quadrimaculata | species | 3 | 0 |
| canada | newfoundland and labrador | xylota sp. bold-2016 | species | 1 | 0 |
| canada | newfoundland and labrador | xylota subfasciata | species | 1 | 0 |
| canada | northwest territories | chalcosyrphus anomalus | species | 2 | 0 |
| canada | northwest territories | chalcosyrphus nemorum | species | 1 | 0 |
| canada | northwest territories | chalcosyrphus sp. bold-2016 | species | 1 | 0 |
| canada | northwest territories | xylota sp. bold-2016 | species | 4 | 0 |
| canada | nova scotia | blera confusa | species | 5 | 0 |
| canada | nova scotia | blera nigra | species | 10 | 0 |
| canada | nova scotia | brachypalpus oarus | species | 3 | 0 |
| canada | nova scotia | chalcosyrphus curvaria | species | 1 | 0 |
| canada | nova scotia | chalcosyrphus inarmatus | species | 4 | 0 |
| canada | nova scotia | chalcosyrphus libo | species | 9 | 0 |
| canada | nova scotia | chalcosyrphus nemorum | species | 1 | 0 |
| canada | nova scotia | chalcosyrphus vecors | species | 1 | 0 |
| canada | nova scotia | criorhina nigriventris | species | 1 | 0 |
| canada | nova scotia | criorhina verbosa | species | 2 | 0 |
| canada | nova scotia | temnostoma balyras | species | 3 | 0 |
| canada | nova scotia | temnostoma barberi | species | 2 | 0 |
| canada | nova scotia | xylota confusa | species | 1 | 0 |
| canada | nova scotia | xylota flukei | species | 1 | 0 |
| canada | nova scotia | xylota quadrimaculata | species | 6 | 0 |
| canada | ontario | blera badia | species | 10 | 0 |
| canada | ontario | blera flukei | species | 1 | 0 |
| canada | ontario | brachypalpus oarus | species | 50 | 0 |
| canada | ontario | chalcosyrphus libo | species | 12 | 0 |
| canada | ontario | chalcosyrphus nemorum | species | 38 | 0 |
| canada | ontario | chalcosyrphus piger | species | 1 | 0 |
| canada | ontario | chalcosyrphus sp. bold-2016 | species | 1 | 0 |
| canada | ontario | criorhina nigriventris | species | 1 | 0 |
| canada | ontario | syritta pipiens | species | 7 | 0 |
| canada | ontario | temnostoma alternans | species | 6 | 0 |
| canada | ontario | temnostoma balyras | species | 9 | 0 |
| canada | ontario | temnostoma barberi | species | 5 | 0 |
| canada | ontario | temnostoma excentrica | species | 1 | 0 |
| canada | ontario | temnostoma sp. bold:aac4506 | species | 4 | 0 |
| canada | ontario | temnostoma sp. bold:aad2789 | species | 2 | 0 |
| canada | ontario | tropidia quadrata | species | 4 | 0 |
| canada | ontario | xylota angustiventris | species | 1 | 0 |
| canada | ontario | xylota confusa | species | 2 | 0 |
| canada | ontario | xylota quadrimaculata | species | 5 | 0 |
| canada | ontario | xylota sp. bold:aag0857 | species | 2 | 0 |
| canada | ontario | xylota sp. bold-2016 | species | 1 | 0 |
| canada | ontario | xylota subfasciata | species | 1 | 0 |
| canada | prince edward island | blera badia | species | 1 | 0 |
| canada | prince edward island | criorhina nigriventris | species | 2 | 0 |
| canada | prince edward island | temnostoma balyras | species | 2 | 0 |
| canada | prince edward island | temnostoma barberi | species | 4 | 0 |
| canada | prince edward island | temnostoma sp. bold:aac4506 | species | 1 | 0 |
| canada | quebec | blera analis | species | 1 | 0 |
| canada | quebec | blera armillata | species | 1 | 0 |
| canada | quebec | blera badia | species | 4 | 0 |
| canada | quebec | blera confusa | species | 5 | 0 |
| canada | quebec | blera nigra | species | 12 | 0 |
| canada | quebec | brachypalpus oarus | species | 1 | 0 |
| canada | quebec | chalcosyrphus anthreas | species | 2 | 0 |
| canada | quebec | chalcosyrphus inarmatus | species | 1 | 0 |
| canada | quebec | chalcosyrphus libo | species | 1 | 0 |
| canada | quebec | chalcosyrphus nemorum | species | 2 | 0 |
| canada | quebec | chalcosyrphus piger | species | 1 | 0 |
| canada | quebec | chalcosyrphus plesia | species | 1 | 0 |
| canada | quebec | criorhina verbosa | species | 1 | 0 |
| canada | quebec | temnostoma alternans | species | 2 | 0 |
| canada | quebec | temnostoma barberi | species | 1 | 0 |
| canada | quebec | temnostoma sp. bold:aac4506 | species | 8 | 0 |
| canada | quebec | tropidia quadrata | species | 1 | 0 |
| canada | quebec | xylota confusa | species | 3 | 0 |
| canada | quebec | xylota flukei | species | 1 | 0 |
| canada | quebec | xylota quadrimaculata | species | 8 | 0 |
| canada | quebec | xylota segnis | species | 1 | 0 |
| canada | quebec | xylota sp. bold:aag0857 | species | 3 | 0 |
| canada | quebec | xylota subfasciata | species | 7 | 0 |
| canada | saskatchewan | blera confusa | species | 1 | 0 |
| canada | saskatchewan | blera nigra | species | 4 | 0 |
| canada | saskatchewan | chalcosyrphus sp. bold:aae8861 | species | 6 | 0 |
| canada | saskatchewan | chalcosyrphus sp. bold:aag6762 | species | 3 | 0 |
| canada | saskatchewan | criorhina nigriventris | species | 4 | 0 |
| canada | saskatchewan | temnostoma alternans | species | 1 | 0 |
| canada | saskatchewan | temnostoma excentrica | species | 3 | 0 |
| canada | saskatchewan | temnostoma sp. bold:aac4506 | species | 5 | 0 |
| canada | saskatchewan | xylota flukei | species | 5 | 0 |
| canada | saskatchewan | xylota ouelleti | species | 1 | 0 |
| canada | saskatchewan | xylota sp. bold:aag0857 | species | 3 | 0 |
| canada | saskatchewan | xylota sp. bold:abz0281 | species | 6 | 0 |
| canada | saskatchewan | xylota subfasciata | species | 9 | 0 |
| canada | yukon | blera armillata | species | 1 | 0 |
| canada | yukon | blera nigra | species | 3 | 0 |
| canada | yukon | xylota sp. bold-2016 | species | 3 | 0 |
| canada | yukon | xylota subfasciata | species | 9 | 0 |
| finland | | chalcosyrphus valgus | species | 3 | 0 |
| finland | | syritta pipiens | species | 1 | 0 |
| finland | central finland region | chalcosyrphus piger | species | 6 | 0 |
| finland | kainuu region | criorhina asilica | species | 1 | 0 |
| finland | kainuu region | temnostoma apiforme | species | 1 | 0 |
| finland | kainuu region | temnostoma vespiforme | species | 3 | 0 |
| finland | kainuu region | xylota florum | species | 1 | 0 |
| finland | kainuu region | xylota jakutorum | species | 3 | 0 |
| finland | lappland region | temnostoma apiforme | species | 178 | 0 |
| finland | north karelia region | temnostoma apiforme | species | 1 | 0 |
| finland | ostrobothnia region | xylota tarda | species | 11 | 0 |
| finland | uusimaa region | blera fallax | species | 1 | 0 |
| finland | uusimaa region | chalcosyrphus valgus | species | 3 | 0 |
| finland | uusimaa region | syritta pipiens | species | 1 | 0 |
| finland | uusimaa region | temnostoma vespiforme | species | 1 | 0 |
| finland | uusimaa region | xylota meigeniana | species | 1 | 0 |
| finland | uusimaa region | xylota segnis | species | 1 | 0 |
| french polynesia | | syritta sp. sc_05171 | species | 1 | 0 |
| french polynesia | | syritta sp. sc_08023 | species | 1 | 0 |
| georgia | guria region | xylota xanthocnema | species | 1 | 0 |
| georgia | racha-lechkhumi and kvemo svaneti region | syritta pipiens | species | 1 | 0 |
| georgia | racha-lechkhumi and kvemo svaneti region | xylota segnis | species | 1 | 0 |
| georgia | racha-lechkhumi and kvemo svaneti region | xylota xanthocnema | species | 1 | 0 |
| georgia | samtskhe-javakheti region | syritta pipiens | species | 1 | 0 |
| germany | baden-wuerttemberg | criorhina ranunculi | species | 1 | 0 |
| germany | bavaria | brachypalpoides lentus | species | 3 | 0 |
| germany | bavaria | xylota jakutorum | species | 20 | 0 |
| germany | north rhine-westphalia | blera fallax | species | 3 | 0 |
| germany | north rhine-westphalia | syritta pipiens | species | 1 | 0 |
| germany | schleswig-holstein | criorhina asilica | species | 1 | 0 |
| india | | syritta pipiens | species | 3 | 0 |
| italy | | criorhina ranunculi | species | 1 | 0 |
| madagascar | | xylota satyrus | species | 2 | 0 |
| madagascar | atsinanana region | xylota satyrus | species | 2 | 0 |
| malawi | | syritta bulbus | species | 4 | 0 |
| malawi | | syritta flaviventris | species | 4 | 0 |
| portugal | aveiro district | chalcosyrphus nemorum | species | 1 | 0 |
| portugal | aveiro district | syritta flaviventris | species | 1 | 0 |
| portugal | aveiro district | syritta pipiens | species | 1 | 0 |
| portugal | braganca district | syritta pipiens | species | 2 | 0 |
| russia | altai republic | chalcosyrphus rufipes | species | 2 | 0 |
| russia | altai republic | chalcosyrphus tuberculifemur | species | 2 | 0 |
| russia | altai republic | xylota pseudoignava | species | 2 | 0 |
| russia | altai republic | xylota triangularis | species | 12 | 0 |
| russia | khabarovsk krai | chalcosyrphus nitidus | species | 4 | 0 |
| south africa | | syritta flaviventris | species | 2 | 0 |
| south africa | | syritta leucopleura | species | 2 | 0 |
| south korea | gyeonggi province | syritta pipiens | species | 1 | 0 |
| south korea | seoul city | syritta pipiens | species | 1 | 0 |
| switzerland | graubunden region | blera fallax | species | 1 | 0 |
| togo | | syritta bulbus | species | 4 | 0 |
| togo | | syritta leona | species | 2 | 0 |
| togo | | syritta tomentosa | species | 2 | 0 |
| uganda | | syritta stigmatica | species | 2 | 0 |
| united states | alaska | temnostoma excentrica | species | 1 | 0 |
| united states | alaska | xylota subfasciata | species | 2 | 0 |
| united states | arizona | xylota azurea | species | 2 | 0 |
| united states | california | blera aff. humeralis gs-2006 | species | 2 | 0 |
| united states | california | hadromyia crawfordi | species | 2 | 0 |
| united states | maine | blera pictipes | species | 2 | 0 |
| united states | maryland | blera pictipes | species | 1 | 0 |
| united states | mississippi | xylota bicolor | species | 1 | 0 |
| united states | nebraska | brachypalpus oarus | species | 1 | 0 |
| united states | nebraska | chalcosyrphus metallicus | species | 2 | 0 |
| united states | new hampshire | xylota segnis | species | 1 | 0 |
| united states | new mexico | chalcosyrphus libo | species | 2 | 0 |
| united states | north carolina | blera pictipes | species | 1 | 0 |
| united states | north carolina | temnostoma alternans | species | 1 | 0 |
| united states | washington | criorhina bubulcus | species | 1 | 0 |