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20.10.18 in Jyväskylä, Finland

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Psocoptera for sure, but the animal looks juvenile. There are short-winged or wingless species, but this one does not ring a bell to me. Have a look at the Swedish Psocoptera data bank https://artportal...16/3000179, perhaps you find something promising...
Regards, Sundew

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Can thiis one be Trogium pulsatorium or different species, which came to Europe from Vietnam?

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The same, ventral view.

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I don't think so. This is no wingless adult but a nymph with developing wings. It is something like this: https://diptera.i...d_id=70983, so maybe Ectopsocus.

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Thank you. Unfortunately, no any wing among residues of 80 specimen. As for me, the nymph looks like Liposcelis with large eyes, rather than Ectopsocus. Can it be Liposcelidae?

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Dear Igor, a lot is mixed up here. This is RamiP's thread, and I was answering the question about the Finnish Psocid. I thought that you also referred to it with additional pictures, but now I understand that you have a completely different question that should be in a separate thread! RamiP's animal might be an Ectopsocus, yours, of course, not.
As far as I know, Liposcelis has very small eyes, so it must be another genus. The pictures of Lepinotus (Trogiidae) and Belaphotroctes (Liposceliidae) in https://www.zobod...3-0081.pdf bear a certain resemblance, but I do not dare to say more - sorry!
Best wishes, Sundew
PS. For clarity, you should delete 6 of your 7 identical replies.

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Thank you Sundew for all your hints.

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Thanks for interesting discussion.
Claudias proposal sounds good. The picture is taken on the dark day, and the color of the eyes could be serious blue. I know that we have at least one Ectopsocus, E. briggsi, but I have to consult our Psocoptera-expert.

Rami