I would encourage you to try something like this, it is a daily pill container that I use to offer different things to my roaches and learn what foods they like and which ones they REALLY like. You offer little same-sized portions of seven different things at a time, you can try dry or wet too...
I use a small plastic bottle lid with some water crystals and Tang. My roaches love it. It does the same thing and doesn’t mold like oranges. I have a pretty small colony, though. A big colony can hollow out an orange in a day probably.
I converted a wine cooler into a brumator for cooling snakes for breeding. It worked pretty good, but just beware that the thermoelectric coolers are very dependant on the ambient temperatures to set the internal temp. I had a really cold night in my shop where this was and the cooler went down...
They will eat anything. If you keep them cool they will really slow down and take forever to grow. Kept warm, they will eat potato pieces probably overnight. Use leftovers, rice, really just about anything. Kept warm, they will triple in size in about three days.
At least with the reptiworms you can keep them in any plastic container with a snap on lid and feed them until they are big enough to turn into the adult fly. I guarantee your chameleons will love them then.
I use a mix of dry flakes that includes Gerber mixed grains baby cereal. This is also the favorite thing of my discoid roaches above almost everything else I have tried, both dry or wetted a little bit. I am cutting and pasting the nutritional info from the Gerber website below so you can have a...