Family Bibionidae
Total number of species: 39.
List of undetermined Bibionidae
| Genus | Species | Author | No. of specs. or vials in collection |
Biogeographic Region |
| Bibio | anglicus | Verrall, 1869 | 3 | Palaearctic |
| Bibio | clavipes | Meigen 1818 | 39 | Palaearctic (Danish) |
| Bibio | ferruginatus | (Linnaeus, 1767) | 5 | Palaearctic |
| Bibio | ferruginatus | (Linnaeus, 1767) | 26 | Palaearctic (Danish) |
| Bibio | fulvipes | (Zetterstedt, 1838) | 6 | Palaearctic |
| Bibio | generi | Gil Collado, 1932 | 7 | Palaearctic |
| Bibio | hortulanus | (Linnaeus, 1758) | 24 | Palaearctic |
| Bibio | hortulanus | (Linnaeus, 1758) | 40 | Palaearctic (Danish) |
| Bibio | imitator | Walker, 1835 | 1 | Australasian |
| Bibio | johannis | (Linnaeus, 1767) | 18 | Palaearctic |
| Bibio | johannis | (Linnaeus, 1767) | 67 | Palaearctic (Danish) |
| Bibio | lanigerus | Wiedemann, 1818 | 2 | Palaearctic |
| Bibio | lanigerus | Meigen, 1818 | 19 | Palaearctic (Danish) |
| Bibio | laufferi | Strobl, 1906 | 4 | Palaearctic |
| Bibio | lepidus | Loew, 1871 | 53 | Palaearctic (Danish) |
| Bibio | leucopterus | Meigen, 1818 | 3 | Palaearctic |
| Bibio | leucopterus | (Meigen, 1804) | 45 | Palaearctic (Danish) |
| Bibio | marci | (Linnaeus, 1758) | 12 | Palaearctic |
| Bibio | marci | (Linnaeus, 1758) | 167 | Palaearctic (Danish) |
| Bibio | melanogaster | Wiedemann, 1820 | 1 | Afrotropical |
| Bibio | nigriventris | Haliday, 1833 | 3 | Palaearctic |
| Bibio | nigriventris | Haliday, 1833 | 106 | Palaearctic (Danish) |
| Bibio | nigriventris | (Haliday, 1833) | 8 | Palaearctic (Faroe Islands) |
| Bibio | nigriventris | Haliday 1833 | 1 | Palaearctic (Iceland) |
| Bibio | pomonae | (Fabricius, 1775) | 11 | Palaearctic |
| Bibio | pomonae | (Fabricius, 1775) | 65 | Palaearctic (Danish) |
| Bibio | pomonae | (Fabricius, 1775) | 1 | Palaearctic (Faroe Islands) |
| Bibio | pomonae | (Fabricius, 1795) | 94 | Palaearctic (Iceland) |
| Bibio | rufipes | (Zetterstedt, 1838) | 1 | Palaearctic |
| Bibio | siculus | Loew, 1846 | 6 | Palaearctic |
| Bibio | varipes | Meigen, 1830 | 8 | Palaearctic |
| Bibio | varipes | Meigen, 1830 | 108 | Palaearctic (Danish) |
| Bibio | venosus | (Meigen, 1804) | 12 | Palaearctic (Danish) |
| Bibio | vestitus | Walker, 1848 | 2 | Nearctic |
| Dialineura | anilis | (Linnaeus, 1761) | 2 | Palaearctic |
| Dilophus | andalusiaca | Strobl, 1900 | 22 | Palaearctic |
| Dilophus | febrilis | (Linnaeus, 1758) | 22 | Palaearctic |
| Dilophus | febrilis | (Linnaeus, 1758) | 127/Alc. | Palaearctic (Danish) |
| Dilophus | femoratus | Meigen, 1804 | 3 | Palaearctic |
| Dilophus | femoratus | Meigen, 1804 | 104/Alc. | Palaearctic (Danish) |
| Dilophus | femoratus | Meigen, 1804 | 64 | Palaearctic (Faroe Islands) |
| Dilophus | femoratus | Meigen, 1804 | 60 | Palaearctic (Iceland) |
| Dilophus | gracilis | Hardy, 1968 | 6 | Australasian |
| Dilophus | humeralis | Zetterstedt, 1850 | 2 | Palaearctic (Danish) |
| Dilophus | minor | Strobl, 1900 | 7 | Palaearctic |
| Dilophus | sectus | McAtee, 1922 | 1 | Nearctic |
| Dilophus | tapir | Schiner, 1868 | 1 | Neotropical |
| Dilophus | tenuis | Wiedemann, 1818 | 8 | Palaearctic |
| Penthetria | funebris | Meigen, 1804 | 8 | Palaearctic |
| Penthetria | funebris | Meigen, 1804 | 72/Alc. | Palaearctic (Danish) |
| Penthetria | heteroptera | (Say, 1823) | 27 | Nearctic |
| Plecia | amplipennis | Skuse, 1888 | 9 | Australasian |
| Plecia | aruensis | Edwards, 1925 | 14 | Australasian |
| Plecia | confusa | Loew, 1848 | 13 | Neotropical |
| Plecia | fulvicollis | (Fabricius, 1805) | 14 | Oriental |
| Plecia | funebris | (Fabricius, 1805) | 7 | Neotropical |
| Plecia | parra | Malloch, 1928 | Alc. | Oriental |