Diastatidae are a family of flies in the order Diptera. They are encountered primarily in the Holarctic Region, but several species are found in 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]
| Diastatidae | |
|---|---|
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| Diastata fuscula | |
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| Diastatidae wing veins | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Superfamily: | Ephydroidea |
| Family: | Diastatidae Hendel, 1917) |
| Type genus | |
| Diastata Meigen, 1830
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| Subfamilies | |
Description
editFor 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.
Biology
editAdults 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.
Genera
edit- Diastatinae
- Campichoetinae
- Campichoeta Macquart, 1835 (sometimes treated as a separate family Campichoetidae)
- Euthychaeta Loew, 1864
- †Pareuthychaeta Hennig 1965
Identification
edit- Duda, O. (1934), Ephydridae. 6, 1, 58e, 1–18.In: Lindner, E. (Ed.). Die Fliegen der Paläarktischen 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 .
Phylogeny
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| McAlpine (1989)[2] | Grimaldi (1990)[3] |
Other
editDiastatidae were once considered by some to be Ephydridae.
References
edit- ^ Papp, T. (1984). "Diastatidae". In Árpád Soós, Papp T. (ed.). Catalogue of Palaearctic Diptera (print). Vol. 10. Amsterdam: Elservier. pp. 182–185. ISBN 0-444-99601-X.
- ^ 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.
- ^ 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
External links
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Data related to Diastatidae at Wikispecies- Diastatidae in Italian.
- Diptera.info Images
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