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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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Allacma fusca?
Robert Heemskerk
#1 Print Post
Posted on 25-06-2006 19:48
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Location: Amsterdam, Netherlands
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Hi forum,

I was wondering if this is Allacma fusca?
Not an adult one, but a juvenile perhabs?
I found it on bark of a tree.

Or what else? Shock

greeting, Robert Heemskerk
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Nikita Vikhrev
#2 Print Post
Posted on 25-06-2006 20:26
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No Robert it is not Collembola at all.
My test it is most probably Psocoptera.
Nikita
Robert, please, give size and other usefull infirmation, as a result you'll ger more and more precise ID.
Nikita Vikhrev - Zool Museum of Moscow University
 
Robert Heemskerk
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Posted on 25-06-2006 20:32
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Hi Nikita,

Size; about 3 mm
I can't find any wing (Psocoptera), but juvenile Psocoptera could be wingless?

Robert, Smile
 
http://robertheemskerk.nl/plaatjevandedag.htm
Nikita Vikhrev
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Posted on 25-06-2006 20:45
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1. In this case it is not Psocoptera also. My best guess is juvenile Gryllidae.
2. By the way. On my site www.Rosfoto.ru on key word "collembola" one can find about 80 images of Collembolas. All images checked by Mikhail Potapov, one of the world Collembola expert, so you can trust all ID.
Nikita
Nikita Vikhrev - Zool Museum of Moscow University
 
Nikita Vikhrev
#5 Print Post
Posted on 25-06-2006 20:53
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P.S. Thinking about Collembola I excluded Psocoptera.
So, my test:
it is juvenile Gryllidae or less probably Psocoptera.
Nikita Vikhrev - Zool Museum of Moscow University
 
Dmitry Gavryushin
#6 Print Post
Posted on 26-06-2006 08:40
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Hello Robert,
I would also say it's a bark louse (Psocoptera).
 
Jan Willem
#7 Print Post
Posted on 26-06-2006 08:55
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Location: Waalwijk, The Netherlands
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Hi Robert,

For your information, there are also several species of Psocoptera that have wingless adults. Just think about the Psocoptera you find indoors.

Jan Willem
 
Paul Beuk
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Posted on 26-06-2006 09:07
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It is Psocoptera and I can even tell you it is an adult female of the genus Mesopsocus (Mesopsocidae). This specimen belongs to a group a five closely related species of which only M. unipunctatus was recorded from the Netherlands up to now. The present picture does not permit further identification than this species group (genital structures need to be examined).
Paul

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Robert Heemskerk
#9 Print Post
Posted on 17-07-2006 00:01
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This evening I found one with wings!

Perhabs this is also Mesopsocus, but another sp.
But they are not totaly different, I see also some similarity.

greeting, robert
Robert Heemskerk attached the following image:


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Edited by Robert Heemskerk on 17-07-2006 00:02
 
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Robert Heemskerk
#10 Print Post
Posted on 17-07-2006 00:02
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2
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Paul Beuk
#11 Print Post
Posted on 17-07-2006 09:14
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Ah, well now, this is a different species, and it even belongs to a different family. Wink
This is Psococerastis gibbosa of the family Psocidae. One of the species with very long antennae.
Paul

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Robert Heemskerk
#12 Print Post
Posted on 17-07-2006 23:59
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Paul knows (almost) everything! Shock

thanks a lot!

robert,

 
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