I don't know if this will work for everbody but it worked for me so here goes:
When my hatchlings wouldn't eat I had to hand feed them. I pulled the heads off of small crickets and held it up to their noses. I made sure to get a little guts on their mouth so the could taste it. They licked it at first and then chomped down. I had to do this for a couple of days then they started to figure it out. My geuss is it could work with mealworms too. If this doesn't work try some beef baby food it might spark their appetite. Good luck! I hope this helps!
Emily
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2.4.2 leopard geckos
1.1 ferrets (Oliver and Delilah)
1. budgie (Max)
0.0.1 Ring neck Parakeet (Kiwi)
1.1 German Shepards (Jake and Abigail)
www.freewebs.com/thespottedgecko