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[ForestDragon]

So, I have been trying to prove an experiment on how Tapinoma sessile bud nests/make sattelite nests. My theory is that instead of taking queens and reproductives over they take the brood of reproductives to reduce risk of taking actual queens because if they die it would damage both sides. My test colony now has males, and queens. How long does it usually take for them to mate inside the nest? 

[Martialis]

It didn't take too long for mine. Make sure that it is fairly warm and (maybe) humid where they're nesting. 

 

Also, they do indeed move queens between their colonies. I've observed this behavior around my area, as have many myrmecologists through experiments in the past. This interaction is actually a part of what it means for an ant to be polydomous.

 

But here's a few scientific articles  on T. sessile I found. You might find them interseting:
 

Seasonal polydomy in a polygynous supercolony of the odorous house ant, Tapinoma sessile

 

Aggressive interactions between the introduced Argentine ant, Linepithema humile and the native odorous house ant, Tapinoma sessile

 

The odorous house ant, Tapinoma sessile (Hymenoptera: Formicidae), as a new temperate-origin invader

 

The common author between them was coincidental. He seems to do quite a bit with these ants.