| Key title | Couplets | Last modified: |
| Key to the Western Palaearctic Asteiidae (Diptera) with a few additions from other regions.
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| Key based references below, combined and updated.
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28 | 21-03-2022 10:54 |
| Key to the Western European species of Camilla (Diptera: Camillidae).
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| As published in Beuk & De Jong (1994).
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5 | 21-01-2010 00:30 |
| European Ulidia Meigen 1826
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| A key to European (and some Near East) species of Ulidia Meigen 1826.
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11 | 21-01-2010 00:28 |
| Key to some European species of Xylomyidae
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| Key to some European species of Xylomyidae
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2 | 03-01-2008 12:36 |
| Northwestern European Hippoboscidae
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| Based on Hutson (1984).
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15 | 21-01-2010 00:24 |
| Key to genera and species of Hybotidae.
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| Key that is slowly being built up to accomodate groups of Hybotidae (genera, species). No complete coverage is reached at the moment. Sometimes species of a particular genus from only one region are included rather than all known species.
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37 | 17-05-2013 11:10 |
| The British species of the genus Suillia
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| After Withers (1987).
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17 | 09-01-2024 16:18 |
| Scatopsidae
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| Key to European Scatopsidae, occasionally supplemented with some species from other regions.
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45 | 19-04-2023 14:56 |
| Lonchopteridae of Europe (P.L.Th. Beuk)
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| The key below is that of Barták (1986) with a few corrections and updated terminology as well as the addition of later described species.
Please, note that the online version refered to by Whittington & Beuk (2022) is archived HERE.
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12 | 12-12-2023 14:10 |
| Psilidae
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| This key aims to include all European species of the family Psilidae. It is based on the publications listed below and figures have been taken from these to supplement the key. If any of the figures should not be used because of copyright issues, please notify me a.s.a.p. and they will be removed. Any comments are welcome.
To be referenced as:
Beuk, P.L.T. [year of last edit]. Psilidae. http://online-keys.net/infusions/keys/keys_view.php?key_no=34 [accessed ---date---]
Please, note that the online version refered to by Claude & Tissot (2023) is archived HERE.
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57 | 01-02-2023 15:37 |
