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Which is fully claustral, but you should feed them now that there is a worker.

Definitely not off base. I would say that you are correct.

Not Lasius, look at the worker's petiole. Its proportions also look a bit off for most of that genus. Something closer would be Pheidole.

Now, I don't know if this applies to queens as well, but I have read that the clypei of Tetramorium spp. are raised surrounding the bases of the antennae. Basically, are the antennae placed in what look like deep sockets; or are there ridges (carinae) inbetween the antennal bases, directly next to t...

I think you're right!After closer examining,i realized that i didn't consider their antenae into count with their size,so they're actually about 5 mm long!Thank you for the reply! :) Generally speaking, body length measurements do not include the antennae unless otherwise specified. One way to tell...

There are 3 ways that I am aware of: if you see them eating, then they are eating; if you see their gasters extended when they weren't previously, then they are eating; and if the colony ends up growing in size (and they are past the nanitic stage), then they are eating. Hope this helps.

Yeah, I guess so, it could just be pubescence or a thinner part of the exoskeleton. Maybe I didn't look at the picture carefully enough. The photo is also really blurry.

I don't know if you still have it, but this does look like a queen to me. Sorry if I'm resurrecting this post.

Camponotus ants simply don't grow very quickly. They also don't tolerate new ants that aren't from their colony well, so you can't add more ants. The best foods for any kind of ant colony are: 1. Honey or diluted honey. 2. Sugar water (use in place of honey if you do use it). 3. Insects or other te...

If it is truly a dracula ant, the pupa should be fine. After all, this happens in the wild too, and that species is not extinct.