|Diogma wing vein|
They are mostly large flies of around 11–16 mm and yellowish to pale brownish in colour. They have long, slender antennae with 16 segments; the wings, legs and the abdomen are all very long.
The larvae are all phytophagous (with the exception of the genus Cylindrotoma) and are found living on terrestrial, semiaquatic and aquatic mosses. The larvae of the genus Cylindrotoma live on various flowering plants. Adults are found in damp, wooded habitats.
- Subfamily Cylindrotominae
- Subfamily Stibadocerinae