Family Cecidomyiidae
Total number of species: 70.
List of undetermined Cecidomyiidae
| Genus | Species | Author | No. of specs. or vials in collection |
Biogeographic Region |
| Arnoldiola | gemmae | (Rübsaamen, 1891) | Alc./Slides | Palaearctic (Danish) |
| Asphondylia | melanopus | Kieffer, 1890 | Alc./Slides | Palaearctic (Danish) |
| Asphondylia | sarothamni | (Loew, 1850) | Alc. | Palaearctic (Danish) |
| Asynapta | strobi | (Kieffer, 1920) | Alc./Slides | Palaearctic (Danish) |
| Bradysia | brunnipes | (Meigen, 1804) | 3 | Palaearctic (Iceland) |
| Bradysia | confinis | (Winnertz, 1867) | Alc. | Palaearctic (Iceland) |
| Bradysia | degenerans | Frey, 1948 | Alc. | Palaearctic (Iceland) |
| Bradysia | fungicola | (Winnertz, 1867) | 1 | Palaearctic (Iceland) |
| Bradysia | richardi | Gerbachevskaja, 1986 | Alc. | Palaearctic (Iceland) |
| Bradysia | rufescens | (Zetterstedt, 1852) | 9 | Palaearctic (Iceland) |
| Campylomyza | flavipes | Meigen, 1818 | 2 | Palaearctic (Danish) |
| Campylomyza | flavipes | Meigen, 1818 | Alc. | Palaearctic (Faroe Islands) |
| Campylomyza | pinetorum | (Edwards, 1838) | Alc. | Palaearctic (Faroe Islands) |
| Claspettomyia | niveitarsis | (Zetterstedt, 1850) | Slides | Palaearctic (Danish) |
| Contarinia | campanulae | (Kieffer, 1895) | Alc. | Palaearctic (Danish) |
| Contarinia | hypochoeridis | (Rübsaamen, 1891) | Slides | Palaearctic (Danish) |
| Contarinia | jacobaeae | (Loew, 1850) | Alc. | Palaearctic (Danish) |
| Contarinia | pyrivora | (Riley, 1886) | Alc. | Palaearctic (Danish) |
| Contarinia | tiliarum | (Kieffer, 1890) | Alc. | Palaearctic (Danish) |
| Contarinia | tragopogonis | Kieffer, 1909 | Alc./Slides | Palaearctic (Danish) |
| Contarinia | tritici | (Kirby, 1798) | Alc. | Palaearctic (Danish) |
| Corynoptera | ofenkaulis | (Lengersdorf, 1925) | Alc. | Palaearctic (Iceland) |
| Cystiphora | sonchi | (Bremi, 1847) | Alc. | Palaearctic (Danish) |
| Dasineura | acrophila | (Winnertz, 1853) | Alc. | Palaearctic (Danish) |
| Dasineura | affinis | (Kieffer, 1886) | Alc./Slides | Palaearctic (Danish) |
| Dasineura | alopecuri | (Reuter, 1895) | Alc. | Palaearctic (Danish) |
| Dasineura | brassicae | (Winnertz, 1853) | Alc. | Palaearctic (Danish) |
| Dasineura | engstfeldi | (Rübsaamen, 1889) | Alc. | Palaearctic (Danish) |
| Dasineura | lathyricola | (Rübsaamen, 1890) | Alc. | Palaearctic (Danish) |
| Dasineura | ranunculi | (Bremi, 1847) | Alc. | Palaearctic (Danish) |
| Dasineura | spadicea | Rübsaamen, 1917 | Alc. | Palaearctic (Danish) |
| Dasineura | tiliae | (Schrank, 1803) | Alc. | Palaearctic (Danish) |
| Dasineura | trifolii | (F. Löw, 1874) | Alc./Slides | Palaearctic (Danish) |
| Dasineura | ulmaria | (Bremi, 1847) | Alc. | Palaearctic (Danish) |
| Dicerura | iridis | (Kaltenbach, 1874) | Alc. | Palaearctic (Danish) |
| Giraudiella | inclusa | (Frauenfeld, 1862) | Alc./Slides | Palaearctic (Danish) |
| Hartigiola | annulipes | (Hartig, 1839) | Alc. | Palaearctic (Danish) |
| Jaapiella | hypochoeridis | Sylvén, 1998 | Alc. | Palaearctic (Danish) |
| Jaapiella | veronicae | (Vallot, 1827) | Alc./Slides | Palaearctic (Danish) |
| Janetiella | thymi | (Kieffer, 1888) | Alc./Slides | Palaearctic (Danish) |
| Kaltenbachiola | strobi | (Winnertz, 1853) | Alc. | Palaearctic (Danish) |
| Lasioptera | carophila | F. Löw, 1874 | Alc. | Palaearctic (Danish) |
| Lestodiplosis | liviae | Rübsaamen, 1901 | Alc. | Palaearctic (Danish) |
| Lestodiplosis | variegata | (Macquart, 1826) | 7 | Palaearctic (Danish) |
| Lestremia | leucophaea | (Meigen, 1818) | 10 | Palaearctic (Danish) |
| Lestremia | leucophaea | (Meigen, 1818) | Alc. | Palaearctic (Faroe Islands) |
| Lycoriella | conspicua | (Winnertz, 1867) | Alc. | Palaearctic (Iceland) |
| Macrodiplosis | dryobia | (F. Löw, 1877) | Alc. | Palaearctic (Danish) |
| Macrodiplosis | volvens | Kieffer, 1895 | Alc. | Palaearctic (Danish) |
| Macrolabis | incolens | Rübsaamen, 1895 | Alc. | Palaearctic (Danish) |
| Mayetiola | hellwigi | (Rübsaamen, 1912) | Slides | Palaearctic (Danish) |
| Miastor | metraloas | Meinert, 1864 | Alc./Slides | Palaearctic (Danish) |
| Mikiola | fagi | (Hartig, 1839) | 2/Alc. | Palaearctic (Danish) |
| Mycophila | speyeri | (Barnes, 1926) | 0/Slides | Palaearctic (Danish) |
| Oligotrophus | juniperinus | (Linnaeus, 1758) | Alc. | Palaearctic (Danish) |
| Phegomyia | fagicola | (Kieffer, 1901) | Alc. | Palaearctic (Danish) |
| Planetella | grandis | (Meigen, 1804) | 1 | Palaearctic (Danish) |
| Rabdophaga | repentis | (Skuhravá, 1986) | Alc. | Palaearctic (Danish) |
| Rabdophaga | rosaria | (Loew, 1850) | Alc./Slides | Palaearctic (Danish) |
| Rabdophaga | saliciperda | (Dufour, 1841) | Alc. | Palaearctic (Danish) |
| Rabdophaga | salicis | (Schrank, 1803) | Alc./Slides | Palaearctic (Danish) |
| Rabdophaga | terminalis | (Loew, 1850) | Alc./Slides | Palaearctic (Danish) |
| Rhopalomyia | artemisiae | (Bouché, 1834) | Alc./Slides | Palaearctic (Danish) |
| Rhopalomyia | millefolii | (Loew, 1850) | Alc./Slides | Palaearctic (Danish) |
| Rhopalomyia | tubifex | (Bouché, 1847) | Alc./Slides | Palaearctic (Danish) |
| Semudobia | betulae | (Winnertz, 1853) | Alc./Slides | Palaearctic (Danish) |
| Sitodiplosis | mosellana | (Géhin, 1857) | Alc. | Palaearctic (Danish) |
| Tetraneuromyia | hirticornis | (Zetterstedt, 1850) | Slides | Palaearctic (Danish) |
| Wachtliella | persicariae | (Linnaeus, 1767) | Alc./Slides | Palaearctic (Danish) |
| Wachtliella | rosarum | (Hardy, 1850) | Alc./Slides | Palaearctic (Danish) |
| Xylodiplosis | nigritarsis | (Zetterstedt, 1850) | 2 | Palaearctic (Danish) |
| Xylopriona | atra | (Meigen, 1804) | 3 | Nearctic (Greenland) |
| Xylopriona | atra | (Meigen, 1804) | 3 | Palaearctic (Danish) |