I'm hooking up the new outworld for my Camponotus pennslyvanicus colony today-- I did a trial hook up for like 3 seconds and already 3 of them got into the new space. Husband wanted to watch them explore so 3 are currently trapped until I re-hook the nest.

You might think the restricted access would make them wary... knowing this colony, they'll be even more excited to get in!

There is a choice hiding space in this new area... I just hope they don't hang out in the connecting tube.