Diptera.info :: Identification queries :: Diptera (adults)
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 Xylophagidae?
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| Juergen Peters |
Posted on 26-01-2006 18:32
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 Member Location: northwest Germany Posts: 13813 Joined: 11.09.04 |
Hello! These 15 mm long flies were rather abundant on tree trunks here in Ostwestfalen/Germany in April/May last year (wood with mostly beeches), but I'm still not sure about the family. Could they be Xylophagidae and maybe the one above a male, that below a female of the same genus/species (perhaps Xylophagus compeditus)? Thanks for any hints!  
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Zeegers |
Posted on 26-01-2006 23:13
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
Xylophagus is right. There has been some confusion on the names of the two (?) species occurring in Germany. I'll have to look itup. Theo |
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| Juergen Peters |
Posted on 27-01-2006 01:07
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Member Location: northwest Germany Posts: 13813 Joined: 11.09.04 |
Zeegers wrote: Xylophagus is right. There has been some confusion on the names of the two (?) species occurring in Germany. I'll have to look itup. Thanks, Theo! The only other species I know from here in Ostwestfalen is X. ater, but I don't have the "Entomofauna germanica" volume on Diptera yet. Some checklists also mention X. cinctus. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Kahis |
Posted on 27-01-2006 09:18
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 Member Location: Helsinki, Finland Posts: 1999 Joined: 02.09.04 |
Zeegers wrote: Xylophagus is right. There has been some confusion on the names of the two (?) species occurring in Germany. I'll have to look itup. Theo I guess this is the same problem we had. It has now been resolved as follows: X. ater = X. compeditus (British use of these names was correct) X. kowarzi = X. ater auct. nec. (as used by most non-British authors) At least in North Europe X. ater (ex-compeditus) is by far the only common species of this genus and X. kowarzi is a rarity found only(?) in old-growth forests. The flies above are clearly X. ater. Edited by Kahis on 27-01-2006 09:20 Kahis |
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| Zeegers |
Posted on 27-01-2006 14:12
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Member Location: Soest, NL Posts: 18723 Joined: 21.07.04 |
Thanks Kahis, Now I don't have to look it up. Theo |
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| Juergen Peters |
Posted on 27-01-2006 22:38
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Member Location: northwest Germany Posts: 13813 Joined: 11.09.04 |
Hello, Kahis! Kahis wrote: X. ater = X. compeditus (British use of these names was correct) X. kowarzi = X. ater auct. nec. (as used by most non-British authors) At least in North Europe X. ater (ex-compeditus) is by far the only common species of this genus and X. kowarzi is a rarity found only(?) in old-growth forests. The flies above are clearly X. ater. Thanks for the explanations. Then the "Catalogue of the Diptera of Bavaria" (*) is wrong. It lists three species: Xylophagidae: BARTAK 1998; SCHACHT 1994 Xylophagus ater Meigen, 1804 Xylophagus cinctus (DeGeer, 1776) Xylophagus compeditus Meigen, 1820 (*) http://www.zsm.mw...dipcat.htm (long list, use Ctrl-F to go to Xylophagus) Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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