feeder bugs

Yes or no to superworms for an adult leopard gecko? I keel being told no.....they bite, or not good for digestion? Thanks

So I've been feeding my leopard gecko mealworms, I get them from petco and the occasional petsmart. I found a leftover mealworms in Jupiter's tank, it was hiding underneath the food bowl. The worm was pale white, and I think it was transparent because I saw weird dark stuff in it's behind. I...