Identification of multiple queens /embedded pictures

[Bkla777]

All found in Slovenia/Central Europe

1.9 cm - Black head and thorax - Dark red abdomen
Found in early August in a mountainous region (Trenta).
The species also has large soldiers with smaller workers.




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1.0 cm - Very dark brown head and thoray - Brownish abdomen
Found in mid July in more of a dry region (Karst-Kras).
Perhaps more of a flat surface on the top part of the thorax.





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1.1 cm - Dark orange/brown head and thorax - Orange abdomen
Found in April in the city (Ljubljana)
Queen and workers don't seem to be attracted to honey and insects as other species do.





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0.85 cm - Black
Found in late June in the city (Ljubljana)





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Black with shiny abdomen
Found near a lake (Bled)




One of the last two black queens is probably Lasius Niger but I don't think both are.
Please help & thanks.

[JustCliff]

Unfamiliar with the ants in your area, but I'll give my guesses.

1. Camponotus ligniperda

2. Unsure / Lasius Sp.

3. Unsure / Lasius Sp. / Feel like I've seen this species before but can't find it again.

4. Unsure / Lasius Sp. / Formica Sp.

5. Measurements? / Lasius niger

To me most look Lasius, hopefully someone else recognizes these,

[TheRealAntMan]

The third appears to be Prenolepis nitens

[JustCliff]

The third appears to be Prenolepis nitens

I thought it looked like Prenolepis, specially the workers, I guess caught in April makes sense too.

[Bkla777]

The third appears to be Prenolepis nitens

I thought it looked like Prenolepis, specially the workers, I guess caught in April makes sense too.

Thanks to both, keep up the good work :3