Is my swarm Russian?

This is my first year at bee keeping and here is a little background. I bought my first hive in April and the bees are italian from Georgia. A month later I caught my first swarm. So today I go out and do a inspection of my hives. I wrk my swarm hive first and this hive is very active. I consider these girls angry. I get a lot of attention from them when I wrk them. Now they only been in a 10 frame hive for about 3 weeks and they have filled out 90% of the hive. I have a lot of brood being laid and theres a little of food storage on each frame. I don't feel they are keeping much back. They can go thru a gallon of sugar water in 5 days. I still haven't been able to locate their queen but i know shes their by how shes laying eggs. so I button them up and go to my other hive that has the bees i've bought. They are not as active, very laid back. I can spot their queen very easy. she is laying good they have a lot of storage. my concern with them is they haven't been filling out their frames as fast as the other hive or taking on sugar water as the other. These girls dont bother me as i inspect them like the other hive. Now this hive has been in operation since April. What do you think i got going on? The way my swarm hive acts seems to me a lot like how Russian bees are described.