Just in general staples usually consist of this,
Silkworms, locusts, grasshoppers, crickets of course, dubia roaches, turkish roaches, and BSFL.
All which if fed at a appropriate size can be fed regularly.
And yes that is correct mealworms have a very hard exoskeleton and most beardies have trouble digesting them properly, especially at a young age.
For treat feeders just so you know usually consist of this,
Mealworms, superworms, hornworms, waxworms, and butterworms.
Waxworms and hornworms may be fed to beardies younger than 6 months, depending on the size of the feeder as these two are generally soft bodied.
Mealworms 5-10 max every other day to every two days. For 6+ months.
Superworms 3-4 max once or twice a week. 6+ months. <<<< don't recommend mealworms or superworms as food for a dragon younger than 12 months old, especially not superworms.
If you must give mealworms - choose the fresh shed white ones who have very soft exoskeletons and no more than 3 - 4 in a session , and no more a twice a week.
Butterworms 3-4 max once or twice a week. 6+ months.
Hornworms 4-6 max every other day or every two days.
Waxworms 3-5 max every two days.