It could take up a few years yes. I'm not sure how big it needs to be for a full grown colony, i always move them to a bigger one when the old one is getting to small.
alright, ill just add to the environment. when do Lasius send out nupitials?
in the summer.. June to August.. depending on temp and conditions.
ok, thankx, it might be different for me, since i live farther south. what is the best way to carve out a cork nest?