Your boy is absolutely gorgeous by the way. As for the picky eating, my panther boy is picky too and I have noticed the same thing you have. I have 3 chams, so I always have a variety of feeders, but if he was the only one I would not worry too much if he only ate well gut-loaded crickets...
I had one that would hand feed all day long but he still would not climb onto my hand. I opened his cage door and sat a few feet away in a chair on my computer. As he felt I was ignoring him, curiosity got the better of him and he climbed onto the top of the door. I slowly put my hand out to...
I am so sorry to hear you are having problems with CJ! You have had some bad luck- I hope your boy gets better soon. I know you will do everything you can for him, he is in great hands!
I would also give her more horizontal branches and vines so that she can have a good temperature gradient. You will also need to have a lay bin in the cage. Take a bucket or small trash can and fill it 10-12" with washed play sand or organic potting soil. dampen it enough so that it can hold...
Your cage is very dark, she may think it is night time. You need a UVB bulb and a basking bulb. 72 is too cool, I keep my female's basking at 82-85. Also, the cage should completely dry out between mistings.
I would get a fecal exam done, a heavy parasite load can definitely cause a hunger strike. Better to rule that out. Many vets will let you bring in the poop without paying for a full visit. Hopefully your boy will start eating soon!