I have some pheonix worms that have started turning into flies. We have a rescue that we are rehabilitating right now that doesn't have much of an appetite but she is loving the black soldier fly larva that has turned to actual flies. Before I let her have anymore I just wanted to check to see if they are ok to feed.
If beardie can catch them .... they are very a good protein source ..
so are :
blowflies
silkworm moths
and for adult beardies
mealworm lavae , pupae and beetles are great treats , as superworm lavae and pupae , I expect superworm beetles are fine too but they do look big and scary ...
My dragon loves chasing the flies around. He's able to digest them more easily too which is a bonus. They are fairly slow moving (for flies) and are pretty easy to catch if they get away from you.