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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Sawfly
Barry
#1 Print Post
Posted on 18-07-2016 07:12
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Location: England
Posts: 69
Joined: 20.10.12

 Hi,

I found a cocoon on Salix and the attached emerged from it. It's not a species I'm familiar with so any thoughts would be much appreciated. Many thanks.

Barry.
Barry attached the following image:


[112.71Kb]
 
Cesa
#2 Print Post
Posted on 20-07-2016 15:51
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Location: Turkey
Posts: 1276
Joined: 13.10.09

 A species of Rhogogaster (Tenthredinidae)!
 
http://www.cesa-tr.org/
ValerioW
#3 Print Post
Posted on 20-07-2016 16:57
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Location: Padova - Italy
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Cesa wrote:
A species of Rhogogaster (Tenthredinidae)!



I'm sorry, but is wrong. While the family is right, the subfamily (Tenthredininae) is wrong.
This is how a Rhogogaster sp. anal cell appears
ValerioW attached the following image:


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ValerioW
#4 Print Post
Posted on 20-07-2016 16:57
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 This is how it looks in this photo
ValerioW attached the following image:


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ValerioW
#5 Print Post
Posted on 20-07-2016 16:57
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 So this is from Nematinae s.f.
 
ValerioW
#6 Print Post
Posted on 20-07-2016 17:17
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Location: Padova - Italy
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 My guess is that this one could be Nematus or Pachynematus. But to be sure it's necessary to check at least claws, antennae, clypeus and part of abdomen
 
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Some flies preserved in ethanol and then pinned often get the eyes sunken, how can this be avoided? Best answer: I usually keep alcohol-collected material in alcohol

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