The AntsCanada Ant Forum's

Queens 2 and 4 are Formica argentea, I'm pretty sure. Also, queen 8 is a Camponotus species. My best guess would be Camponotus pennsylvanicus. Formica and Camponotus are easy to keep. Just a warning, though, if you didn't know already, both can inflict a nasty bite, and can spray formic acid into th...

I'd say Lasius niger, because they are the most common Lasius species in Europe. Also, queens sometimes eat their eggs if they get too stressed, and there are many other delays that could be keeping her workers from arriving. I've kept Lasius alienus before, and they grew to about 30 workers or so b...

Formica are very easy to keep as well (if you don't mind the painful bite and formic acid spray). Their colonies don't get quite as large as Camponotus or Tetramorium, but their queens lay fairly large amounts of eggs. Also, they are polygynous (meaning they can accept many queens into their colonie...