Identification of Hymenoptera (wasps, bees, ants)

Good afternoon!

Can you help me figure this out??? I will be very grateful!

This is, as I understand it, Lasius niger - the Black Garden Ant http://kozorog.ru/images/1338480910.jpg , right?

Who's that?" http://kozorog.ru/images/1340189069.jpg

I've been watching them for the second month... These two types of ants live in the same anthill (in an old rotten log). They crawl into the same crevice, both black and red - they sometimes bring pupae there and take them out...

Aphids graze only red, although, according to Wikipedia, and black graze it in theory... But how many searched, and did not find aphids that graze black ants...

In short: what is this red ant and is it common that these 2 species live together? And if so, who has what functions?

Sometimes, I look at pupae worn by both black and red ants. Aphids graze redheads.

Redheads are Myrmica sp. And on the account of cohabitation XS

Tell me what kind of insect is this?

Please identify these two copies 08.07.12 Rostov region

Redheads are Myrmica sp. And on the account of cohabitation XS

Please identify these two copies 08.07.12 Rostov region

Can't there be any Hypoponera?

Judging by the curved vein, it seems to me that this is Halictus of some kind (they now seem to be called differently)

Please help me with the definition of a bee.

Ukraine, Rivne region, May 26.
Once again, about the riders.
Oronotus binotatus or Therion circumflexum ? For some reason, I myself tend to favor the second option.

It also seems to me that the second one. For the first segment of the tendril is narrow and black, as it should be, while in Oronotus it is expanded and not black. The yellow stripe around the eyes and the head in front seem light, as far as you can make out from the photo.
And with the key, what happens?

I don't have the keys, so I'm asking.
I downloaded Meyer's determinants for riders, but even Anomaloninae doesn't stand out there. And to be honest, there is no time and necessary knowledge of anatomy.

I also did not determine this based on the key.
There are also such differences
In Therion circumflexum, the scutellum is light, the mid-spine is convex, and in Oronotus these signs are opposite.

Here, for example, you can compare the photo.
1) http://www.biolib.cz/en/image/id146276/
2) http://www.biolib.cz/en/image/id103880/

I was just looking at the Czechs, and the bases of the legs of Oronotus are also light, so that it can be discarded, but is Therion circumflexum accurate ?
We'll wait for the specialists.

Ukraine, Rivne region, May 26.
Once again, about the riders.
Oronotus binotatus or Therion circumflexum ? For some reason, I myself tend to favor the second option.

Mogilev-Podilsky,Vinnytsia region, Ukraine

Please identify these two copies 08.07.12 Rostov region

Please help me with the definition. 12.07.12. Rostov region.

Please help me with the definition. 12.07.12. Rostov region.

No less similar to Braconide braconine
, the urinator has a red head and legs.

No less similar to Braconide braconine
, the urinator has a red head and legs.

Maybe these photos will make it clear. Taken today in the same location. Similar to those bees. The color of the legs is different.
1. 7377, 7386
2. 7681, 7687, 7704

Caught in China in May-June 2012. Sichuan Province, mountains.

Please help me with the definition. 14.07.12. Rostov region
1. 0362, 0396, 0399.
2. 0452, 0453

Tell me the name of the cute guy. 14.07.2012, Yaroslavl region, Borisoglebsky district, vicinities d.Borushka.

Anatoly52
Do you use your mobile phone to take photos of insects? ()