Specimens have been reared from bird's nests as well as faeces and collected on Apiaceae, Achillea, mushrooms, and diverse animal faeces (herbivores, omnivores, humans).

Diagnostic description: 

2 medioclinate anterior and 2 lateroclinate posterior orbital setae; wing with cell dm long, crossveins r-m and dm-cu widely separated, C extending to M1, M1 distinct, cell cup closed. Consists of 8 described species.


Mainly in Holarctic Region, but one species occurs in Afrotropical Region.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith