I have a bunch of small Lasius nearcticus colonies (only nanitics). However, I've never seen these colonies forage like I have my other colonies. They never seem to exit their test tube at all. I know that this species is subterranean. That said, should I even have the expectation that they come out to forage? Even if they don't normally forage, will they forage if the alternative is starvation? Do I need to deliver the sugar-water and insects closer to the nest entrance than I do my other species? Do they accept the same food types as other foraging Lasius species? I could use some help on general care documentation for subterranean species like this if anyone can point me to some.
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