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Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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Xylophagus ? Xylophagus (cf.) cinctus
Morten A Mjelde
#1 Print Post
Posted on 22-03-2021 15:15
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 Found this under pine bark March 19 in Telemark, Norway. Aprox. 24 mm.
Morten A Mjelde attached the following image:


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Edited by Morten A Mjelde on 22-03-2021 17:25
 
Morten A Mjelde
#2 Print Post
Posted on 22-03-2021 15:15
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Morten A Mjelde
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Posted on 22-03-2021 15:16
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Morten A Mjelde
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Posted on 22-03-2021 15:17
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Tony Irwin
#5 Print Post
Posted on 22-03-2021 16:23
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 Looks OK for Xylophagus, and seems to fit cinctus quite well.
Tony
----------
Tony Irwin
 
Morten A Mjelde
#6 Print Post
Posted on 22-03-2021 17:24
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 Thank you so much, Tony! I read a little cf. out of what you write - or is it an expert's way of telling what species it is ...?

Morten
 
Zeegers
#7 Print Post
Posted on 22-03-2021 18:22
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 Whyu cinctus ? That is a pine species.

Theo
 
atylotus
#8 Print Post
Posted on 22-03-2021 19:27
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 @theo: larvae was collected on pine
 
Zeegers
#9 Print Post
Posted on 22-03-2021 20:07
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 ah!
My brain red Betula.

Theo
 
Tony Irwin
#10 Print Post
Posted on 23-03-2021 10:46
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 Yes, there is a little cf. ringing in my head. It has all the characters for a cinctus larva, as given in Stubbs and Drake (British Soldierflies), but AFAIK the larva of junki is unknown, and I'm not sure which other species might occur in Norway.
Tony
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Tony Irwin
 
Zeegers
#11 Print Post
Posted on 23-03-2021 12:15
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 Both.

Theo
 
Morten A Mjelde
#12 Print Post
Posted on 23-03-2021 16:27
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 Thanks!
4 or 5 Xylophagus species occur in Norway - including X. junki.

Morten
 
Iain MacGowan
#13 Print Post
Posted on 23-03-2021 17:08
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 Hi Morten
Krivosheina & Mamayev (1972) Ent Rev wash. 51, 258-267 provide an illustrated key to the larvae of the Palearctic Xylophagus species. Your photos seem to fit well with X. cinctus. I ca send you a scan of the relevant pages if you require.
Iain MacGowan
 
Iain MacGowan
#14 Print Post
Posted on 23-03-2021 17:11
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 - but as Tony says - the larvae of X. junki has not been described
Iain MacGowan
 
Morten A Mjelde
#15 Print Post
Posted on 23-03-2021 19:38
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 Thank you, Iain!
It would have been nice to have an illustrated key to the larvae of the Palearctic Xylophagus species. You have my email. Smile

Morten
 
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If you have some spare money, there is a copy (together with keys to pupae and larvae) for sale by Hermann L. Strack, Loguivy Plougras, France

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Appreciate it, Tony Irwin! I got the hint to use the key next to Langton and Pinder key for females of Chironomidae. So no specific queries, except the keys... I will keep this on my list and hope th

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