| Species | Lelystad (NL) | Ingooichem (B) | Larchfield (IRE) |
| Drosophila hydei (Drosophilidae) | - | X | - |
| Tephrochlamys rufiventris (Heleomyzidae) | - | X | - |
| Musca domestica (Muscidae) | X | X | - |
| Conicera tibialis (Phoridae) | X | - | - |
| Dohrniphora cornuta (Phoridae) | X | - | - |
| Sepsis fulgens (Sepsidae) | - | - | X |
| Sepsis punctum (Sepsidae) | - | - | X |
| Themira putris (Sepsidae) | - | - | X |
| Coproica sp. (Sphaeroceridae) | X | X | - |
| Crumomyia nigra (Sphaeroceridae) | - | - | X |
Useful references: Papp, L. 1974. Dipterological studies in some large-scale pig farms. - Acta Agronomica Hungarica 23:136-47, 3 figs, 2 tables.














The swarms were a local problem.
Robert Nash