| anguilla | | pomphorhynchus bulbocolli | species | 0 | 1 |
| anguilla | | pomphorhynchus laevis | species | 0 | 4 |
| austria | | pomphorhynchus tereticollis | species | 3 | 0 |
| austria | lower austria | pomphorhynchus tereticollis | species | 4 | 0 |
| austria | salzburg | pomphorhynchus laevis | species | 2 | 0 |
| austria | styria | pomphorhynchus laevis | species | 9 | 0 |
| austria | styria | pomphorhynchus tereticollis | species | 12 | 0 |
| austria | upper austria | pomphorhynchus tereticollis | species | 7 | 0 |
| austria | vienna | pomphorhynchus laevis | species | 88 | 0 |
| bosnia and herzegovina | | pomphorhynchus laevis | species | 8 | 0 |
| bulgaria | kyustendil province | pomphorhynchus laevis | species | 15 | 0 |
| bulgaria | pleven province | pomphorhynchus laevis | species | 5 | 0 |
| bulgaria | silistra province | pomphorhynchus laevis | species | 5 | 0 |
| bulgaria | vidin province | pomphorhynchus laevis | species | 3 | 0 |
| bulgaria | vratsa province | pomphorhynchus laevis | species | 0 | 1 |
| canada | | pomphorhynchus bulbocolli | species | 1 | 0 |
| canada | nova scotia | pomphorhynchus bulbocolli | species | 0 | 1 |
| canada | saskatchewan | pomphorhynchus bulbocolli | species | 0 | 1 |
| china | | pomphorhynchus zhoushanensis | species | 1 | 0 |
| china | zhejiang | pomphorhynchus zhoushanensis | species | 9 | 0 |
| croatia | | pomphorhynchus laevis | species | 50 | 0 |
| croatia | krapina-zagorje county | pomphorhynchus laevis | species | 12 | 0 |
| czech republic | | pomphorhynchus laevis | species | 2 | 0 |
| czech republic | olomouc region | pomphorhynchus laevis | species | 0 | 1 |
| czech republic | plzen region | pomphorhynchus laevis | species | 3 | 0 |
| czech republic | prague city | pomphorhynchus laevis | species | 324 | 0 |
| france | | pomphorhynchus laevis | species | 33 | 0 |
| france | | pomphorhynchus tereticollis | species | 2 | 0 |
| france | alsace region | pomphorhynchus laevis | species | 7 | 0 |
| france | alsace region | pomphorhynchus tereticollis | species | 58 | 0 |
| france | bourgogne region | pomphorhynchus laevis | species | 14 | 0 |
| france | bourgogne region | pomphorhynchus tereticollis | species | 291 | 0 |
| france | provence-alpes-cote d'azur region | pomphorhynchus laevis | species | 2 | 0 |
| germany | | pomphorhynchus tereticollis | species | 1 | 0 |
| germany | baden-wuerttemberg | pomphorhynchus laevis | species | 23 | 0 |
| germany | baden-wuerttemberg | pomphorhynchus tereticollis | species | 29 | 0 |
| germany | bavaria | pomphorhynchus tereticollis | species | 3 | 0 |
| germany | mecklenburg-vorpommern | pomphorhynchus tereticollis | species | 15 | 0 |
| germany | north rhine-westphalia | pomphorhynchus laevis | species | 1 | 0 |
| germany | schleswig-holstein | pomphorhynchus tereticollis | species | 1610 | 0 |
| hungary | budapest | pomphorhynchus laevis | species | 2 | 1 |
| hungary | pest county | pomphorhynchus laevis | species | 2 | 0 |
| hungary | veszprem county | pomphorhynchus laevis | species | 102 | 0 |
| ireland | | pomphorhynchus laevis | species | 5 | 0 |
| ireland | connaught province | pomphorhynchus tereticollis | species | 2 | 0 |
| ireland | leinster province | pomphorhynchus tereticollis | species | 6 | 0 |
| italy | | pomphorhynchus laevis | species | 6 | 0 |
| italy | apulia region | pomphorhynchus laevis | species | 2 | 0 |
| italy | lazio region | pomphorhynchus laevis | species | 10 | 0 |
| italy | marche region | pomphorhynchus laevis | species | 9 | 0 |
| italy | sicily autonomous region | pomphorhynchus laevis | species | 2 | 0 |
| poland | greater poland province | pomphorhynchus laevis | species | 5 | 0 |
| poland | pomorskie province | pomphorhynchus laevis | species | 0 | 2 |
| romania | olt county | pomphorhynchus tereticollis | species | 2 | 0 |
| romania | salaj county | pomphorhynchus laevis | species | 8 | 0 |
| russia | tver oblast | pomphorhynchus tereticollis | species | 1 | 0 |
| russia | volgograd oblast | pomphorhynchus laevis | species | 12 | 0 |
| serbia | central serbia | pomphorhynchus laevis | species | 47 | 0 |
| slovakia | | pomphorhynchus laevis | species | 1 | 0 |
| slovakia | bratislava region | pomphorhynchus laevis | species | 17 | 0 |
| slovakia | bratislava region | pomphorhynchus tereticollis | species | 111 | 0 |
| slovakia | kosice region | pomphorhynchus laevis | species | 53 | 0 |
| slovakia | presov region | pomphorhynchus laevis | species | 20 | 0 |
| slovenia | municipality of litija | pomphorhynchus laevis | species | 10 | 0 |
| turkey | afyonkarahisar province | pomphorhynchus laevis | species | 0 | 1 |
| turkey | antalya province | pomphorhynchus tereticollis | species | 0 | 1 |
| turkey | denizli province | pomphorhynchus laevis | species | 4 | 0 |
| turkey | duezce province | pomphorhynchus laevis | species | 6 | 0 |
| turkey | konya province | pomphorhynchus tereticollis | species | 0 | 1 |
| united kingdom | | pomphorhynchus laevis | species | 9 | 0 |
| united kingdom | | pomphorhynchus tereticollis | species | 9 | 0 |
| united kingdom | england | pomphorhynchus laevis | species | 3 | 6 |
| united kingdom | england | pomphorhynchus tereticollis | species | 7 | 0 |
| united kingdom | scotland | pomphorhynchus laevis | species | 0 | 1 |
| united kingdom | scotland | pomphorhynchus tereticollis | species | 2 | 0 |
| united states | florida | pomphorhynchus lucyi | species | 1 | 0 |
| united states | michigan | pomphorhynchus bulbocolli | species | 0 | 1 |
| united states | new york | pomphorhynchus bulbocolli | species | 0 | 2 |
| united states | new york | pomphorhynchus laevis | species | 0 | 1 |
| united states | wisconsin | pomphorhynchus bulbocolli | species | 0 | 1 |