von tail__ » 29. Mai 2008 07:50
It's a pity you keep them in such way you can't see the nest inside, but it's probably too late to do anything with this. Maybe when colony will grow, the ants will start eventually dig corridors near the glass.
Ants of other species, or from another colony of the same species, will be always treated as intruders.
Observations of ant behaviour in foraging will be much more interesting if the foraging area will be large.
And, as miszt said, if they are harvester ants (Pogonomyrmex) they probably would need also some seeds.