Diptera.info :: Identification queries :: Other insects, spiders, etc.
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 Allacma fusca?
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| Robert Heemskerk |
Posted on 25-06-2006 19:48
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
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?  greeting, Robert Heemskerk Robert Heemskerk attached the following image:  [83.12Kb] |
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| Nikita Vikhrev |
Posted on 25-06-2006 20:26
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 Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
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 |
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| Robert Heemskerk |
Posted on 25-06-2006 20:32
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Hi Nikita, Size; about 3 mm I can't find any wing (Psocoptera), but juvenile Psocoptera could be wingless? Robert,  |
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| Nikita Vikhrev |
Posted on 25-06-2006 20:45
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Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
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 |
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| Nikita Vikhrev |
Posted on 25-06-2006 20:53
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Member Location: Moscow, Russia Posts: 9331 Joined: 24.05.05 |
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 |
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| Dmitry Gavryushin |
Posted on 26-06-2006 08:40
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 Member Location: Moscow region, Russia Posts: 3308 Joined: 17.10.05 |
Hello Robert, I would also say it's a bark louse (Psocoptera). |
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| Jan Willem |
Posted on 26-06-2006 08:55
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 Member Location: Waalwijk, The Netherlands Posts: 2136 Joined: 24.07.04 |
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 |
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| Paul Beuk |
Posted on 26-06-2006 09:07
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 Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
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 - - - - Paul Beuk on https://diptera.info |
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| Robert Heemskerk |
Posted on 17-07-2006 00:01
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
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:  [116.22Kb] Edited by Robert Heemskerk on 17-07-2006 00:02 |
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| Robert Heemskerk |
Posted on 17-07-2006 00:02
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
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Robert Heemskerk attached the following image:  [75.86Kb] Edited by Robert Heemskerk on 17-07-2006 00:03 |
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| Paul Beuk |
Posted on 17-07-2006 09:14
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Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
Ah, well now, this is a different species, and it even belongs to a different family.  This is Psococerastis gibbosa of the family Psocidae. One of the species with very long antennae. Paul - - - - Paul Beuk on https://diptera.info |
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| Robert Heemskerk |
Posted on 17-07-2006 23:59
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
Paul knows (almost) everything! thanks a lot! robert, |
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