Diptera.info :: Identification queries :: Diptera (adults)
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 Dipteridae or not? Sorry - Psocoptera.
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| Sundew |
Posted on 13-10-2007 21:33
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 Member Location: Berlin and Baden-Württemberg, Germany Posts: 3890 Joined: 28.07.07 |
Hello, I am uncertain whether this tiny animal is a Dipterid at all. The photos show a living specimen under the stereo microscope. It flew away after the session. I found dead ones in spider webs, too, so they seem to be rather frequent. Surely you will supply me with a name. Thanks, Sundew Sundew attached the following image:  [169.62Kb] Edited by Sundew on 13-10-2007 22:10 |
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| jorgemotalmeida |
Posted on 13-10-2007 21:35
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 Member Location: Viseu - PORTUGAL Posts: 9296 Joined: 05.06.06 |
Psocoptera.  It is a psocid.Sometimes they can be confused with Psyllidae (Hemiptera) but there are differences: In the net they move very differently - psocids run around quite fast, they do not jump - psyllids walk more slowly and frequently jump. The wing venation - psyllids are more simplified. Mouthparts - psocids are chewing, psyllids are piercing and sucking. Edited by jorgemotalmeida on 13-10-2007 21:37 |
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| Sundew |
Posted on 13-10-2007 22:07
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Member Location: Berlin and Baden-Württemberg, Germany Posts: 3890 Joined: 28.07.07 |
So it is a barklouse. Never heard of them before (except of wingless booklice.) Thank you, dear Jorge, I have learned a lot. Can we isolate a genus? Enlarged, the little guy looks quite distinctive! Tony might know... Sundew |
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| ChrisR |
Posted on 13-10-2007 22:14
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 Administrator Location: Reading, England Posts: 7699 Joined: 12.07.04 |
Diptera must have di-ptera ... two wings but this one clearly has a smaller pair under the front pair, so it can't be Diptera. So, to paraphrase Orwell, "two wings good; four wings bad"  |
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| Sundew |
Posted on 13-10-2007 23:03
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Member Location: Berlin and Baden-Württemberg, Germany Posts: 3890 Joined: 28.07.07 |
Chris, my maths is as good as my Latin. Normally I am able to count four. However, this one clearly has a smaller pair under the front pair was not thus clear to me. Now I see it, but I took it for possible infoldings of the wings, whose outline was not recognizable. Besides, I relieved the delimited "Non-Dipteran" forum  .Any genus suggestions? Sundew |
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| Jan Willem |
Posted on 15-10-2007 08:15
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 Member Location: Waalwijk, The Netherlands Posts: 2126 Joined: 24.07.04 |
Yes, I have a genus and species suggestion: Graphopsocus crusiatus (Stenopsocidae). Jan Willem |
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| Tony Irwin |
Posted on 15-10-2007 21:41
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 Member Location: Norwich, England Posts: 7193 Joined: 19.11.04 |
Confirmed as Graphopsocus cruciatus by Bob Saville, who runs the British Barkfly (Psocoptera) Recording Scheme (see http://www.brc.ac...mepage.htm for the website - including lots of images).
Tony ---------- Tony Irwin |
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| Sundew |
Posted on 15-10-2007 22:26
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Member Location: Berlin and Baden-Württemberg, Germany Posts: 3890 Joined: 28.07.07 |
I am delighted to get even a confirmed species name! Thank you very much indeed for all your efforts concerning my little psocid. Obviously there are several barkfly experts among us; I am much obliged to all of them. This forum is so helpful, I look forward to our continued successful cooperation. Best regards, Sundew |
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