Seperate them when u need to, if u have too many, many people let them delete their numbers by alnatural methoud, and feed them food according to their size, if they seem to be eating continuely, then by all means, give them a bigger food item! And don't forget their water.
i think the container is fine until june when it gets warm here and i will release. until then i mist container and ooth (i wont give up on it) and feed fflys.what is the next larger feeder bug. pin head crickets?