I enjoy collecting colonies. Queens are often hit or miss. Collecting queens and colonies from firewood that is meant to be burned is really fun since you are saving them, you won't offend anyone.
I would make sure you bring zip lock baggies. They will be able to hold a lot of material. I manage to get whole colonies by bringing a lot of the nesting media they are in. I would only attempt to collect a colony if I can see the whole colony, such as if they are under rocks, or if I know I can collect the whole colony, such as if they are all in a log. Aspirator or those vaccumes that suck stuff into containers work well for collecting ants, but often times I will use whatever is with me.
Scooping up the dirt around the brood can help make sure you don't damage them, also, make sure you get the queen first, and then collect workers and brood. Prying open wooden logs with the back of a hammer is useful, and featherweight forceps are helpful when picking up ants or brood. Just make sure you have many containers and plenty of time. If the colony is deep underground, don't bother. It's not worth your time, and one could kill the colony,
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