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Encouraged with the response to my recent thread with Hymenoptera pictures, I've decided to post these, too.
August 12, 2006, Ozhigovo station.
Size 4mm.

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There's also another picture, and I believe it's at least a close relative.
October 17, 2005, Naro-Fominsk, among fallen leaves (a negative film scan, sorry for quality).
The case is that this specific specimen was identified as a female of Aptesis (= Microcryptus) nigrocinctus Grav. (Ichneumonidae, Cryptinae (= Gelinae), Echthrini), hosts: larvae of Nematus (Tenthredinidae). Since I'm not quite sure I can fully rely on this ID source, could someone please confirm it?

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Well, it's certainly an ichneumonoid, but it's hard to say whether it is from the Braconidae or Ichneumonidae, because we can't see the wing venation. It is possible to put it through a key (like Goulet & Huber) that works on other features but it wouldn't be easy :)

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Certainly an Ichneumonid, I work a lot with Pitfall samples, and I encounter these beauties all the time.
So Ichneumonidae (characteristic is also the connection between tergite 2 and 3, in braconidae it is almost always fused), subfamily Phygadeuontinae (=Gelinae), probably even genus Gelis! (not the same species as the one above)
Greetings,

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Thanks Chris and Gerard.

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Hello

Aptesis belong to the tribe Echthrini or in Fauna Europae in tribe Hemigasterini ?
In which tribe ?
Thank you
Louis

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Echthrini (=Aptesini, Hemigasterini)

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Well, as far as I can understand, Aptesis is confirmed ;)?