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Diptera.info :: Identification queries :: Diptera (adults)
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Nematocera ovipositing in dead wood
Juergen Peters
#1 Print Post
Posted on 11-05-2006 00:09
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Location: northwest Germany
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Hello!

These 10 mm yellow and black midges with white feet are abundant in the moment in the forest here in Germany, many of them ovipositing in dead beech stems, especially were the bark is not intact any more. Although they look quite distinctive, I wasn't able to identify even the family, yet. I only know the big Tipulids (Tanyptera etc.) ovipositing this way in rotten wood.

insekteninfos.de/diptera/060508/Nematocera_spp_ovipositing_1.jpg
insekteninfos.de/diptera/060508/Nematocera_spp_ovipositing_2.jpg
insekteninfos.de/diptera/060508/Nematocera_spp_ovipositing_3.jpg
insekteninfos.de/diptera/060508/Nematocera_spp_ovipositing_4.jpg

Can anybody help me? Thanks!
Best regards,
Jürgen

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Juergen Peters
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Jan Willem
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Posted on 11-05-2006 07:30
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Hi J?rgen,

I immediately thought of Sciaridae when looking at your pictures, but I have to say that since I can't see the details all to well, I'm not sure at all. Let's wait what the others have to say!

Jan Willem
 
Paul Beuk
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Posted on 11-05-2006 07:57
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Could be genus Sciara... perhaps...
Paul

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Juergen Peters
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Posted on 11-05-2006 12:46
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Hello!

Thanks, Paul and Jan Willem! I never saw Sciara ovipositing this way. I knew it (predominantly the males) mainly from umbelliferous blossoms:

insektenfotos.de/Sciara%20analis%20(Gelbbauch-Trauermuecke),%20Maennchen_002.jpg
Best regards,
Jürgen

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Juergen Peters
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Susan R Walter
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Posted on 11-05-2006 12:56
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J?rgen

Go to the downloads section, miscellaneous publications and have a look at an article called Succession of Diptera on Dead Beech Wood. I read it a while ago and found it most interesting. I have not checked it to see if it gives you any clues for your particular question, but it just might. The study was German, which makes it even better for you.
Susan
 
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Juergen Peters
#6 Print Post
Posted on 11-05-2006 22:57
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Hello, Susan!

Susan R Walter wrote:
Go to the downloads section, miscellaneous publications and have a look at an article called Succession of Diptera on Dead Beech Wood. I read it a while ago and found it most interesting. I have not checked it to see if it gives you any clues for your particular question, but it just might. The study was German, which makes it even better for you.


Thanks for the hint. Sounds really interesting, but I only get a "404 File not found" error there :-(.
Best regards,
Jürgen

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Juergen Peters
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Paul Beuk
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Posted on 12-05-2006 07:20
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The link is fixed. Apparently the document was deleted from the original server. I put my 'private' copy on the Diptera.info server. Wink
Paul

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Juergen Peters
#8 Print Post
Posted on 13-05-2006 22:52
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Hello, Paul!

Paul Beuk wrote:
The link is fixed. Apparently the document was deleted from the original server. I put my 'private' copy on the Diptera.info server. Wink


Thanks!

BTW: Yesterday the Sciaridae were gone, but on the same beech trunks many Xylophagidae :-):

insekteninfos.de/diptera/060512/Xylophagus_cf_ater_W1.jpg
insekteninfos.de/diptera/060512/Xylophagus_cf_ater_W2.jpg
insekteninfos.de/diptera/060512/Xylophagus_cf_ater_M1.jpg
insekteninfos.de/diptera/060512/Xylophagus_cf_ater_MW.jpg
Best regards,
Jürgen

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Juergen Peters
Borgholzhausen, Germany
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Paul Beuk
#9 Print Post
Posted on 14-05-2006 19:02
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Nice!
Paul

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