My juvenile veiled gets phoenix worms. She usually freaks out (in a good way) for new things, then rethinks and won't eat them for a while. I'm having good luck with crickets+phoenix+dubia.
I like not having to feed or house the phoenixes. I honestly don't know how many med or small worms make up a med/large cricket. Or dubs. And its not like I have a scale fine enough to weigh the critters. So I feed a small number, and if they're gone by midday, I send in dusted crickets, again just a small number.
Submitted for your approval,
Tyg