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Diastata fuscula.jpg
Diastata fuscula
Diastatidae wing veins.svg
Diastatidae wing veins
Scientific classification

Hendel, 1917)
Type genus
Diastata Meigen, 1830
Diastata costata filmed in a forest near Marburg, Hesse; Germany.

Diastatidae are a family of flies, and are in the order Diptera. They occur primarily in the Holarctic Region, but several species are known from the Oriental, Neotropical, and Australasian regions. Members of the family number over 20 described species in three genera. There is an additional fossil genus.[1]


For terms see Morphology of Diptera

Minute flies with grey or brown-grey body and, usually, maculate wings. The postvertical bristles on head are cruciate and vibrissae are present on the head are present.The front orbital bristles are inset and upswept. The costa is interrupted near the end of Radial vein 1 and sometimes also near the humeral crossvein. The subcosta is incomplete fusing with Radial vein 1 before the apex. The posterior basal wing cell and discoidal wing cell are separate. The anal cell of wing and the anal vein of wing are both present.


Adults of living forms have been found along margins of bogs, marshes, and the edges of moist woodlands. Immature biologies are largely unknown. Hennig wrote about it thought to be Campichoeta punctum.



  • Duda, O. (1934), Ephydridae. 6, 1, 58e, 1-18.In: Lindner, E. (Ed.). Die Fliegen der palaearktischen Region 6: 1–115. Keys to Palaearctic species but now needs revision (in German).
  • A.A. Shtakel 'berg Family Diastatidae in Bei-Bienko, G. Ya, 1988 Keys to the insects of the European Part of the USSR Volume 5 (Diptera) Part 2 English edition.Keys to Palaearctic species but now needs revision .






 Diastatidae sensu lato






McAlpine (1989)[2] Grimaldi (1990)[3]


Diastatidae were once considered by some to be Ephydridae.


  1. ^ Papp, T. (1984). "Diastatidae". In Árpád Soós, Papp T. (ed.). Catalogue of Palaearctic Diptera (print). 10. Amsterdam: Elservier. pp. 182–185. ISBN 0-444-99601-X.
  2. ^ McAlpine, J.F. 1989. Chapter 116. Phylogeny and classification of the Muscomorpha. In Manual of Nearctic Diptera. Vol. 3. Coordinated by J.F. McAlpine and D.M. Wood. Agriculture Canada Monograph, 32. pp. 1397–1518.
  3. ^ David Grimald, 1990 A phylogenetic, revised classification of genera in the Drosophilidae (Diptera) Bulletin of American Museum of Natural History 1971-139 [1]

Wayne N. Mathis & David A. Barraclough Contributions to a Manual of Palaearctic Diptera. 3: 523-530. Science Herald, Budapest World Catalog and Conspectus on the Family Diastatidae (Diptera: Schizophora) Myia, 12:235–266 online here

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