Crickets, Woodlice, & Nightcrawlers

[monster]

Is it ok to let the crickets breed in the same tank as the frogs/toads? I only ask this because my brother in law lost a bearded dragon to crickets over takeing the tank. He had put a bunch in one time before going out of town for a week because his mom will fill water dishes but not touch crickets. Anyhow when he got back he removed the crickets that were left and thought every thing was ok. WEll they had babies in the tank and he didn't get them all and about 2 weeks later his dragon fell very ill and died. Because it seemed healthy he brought the dragon to a vet to figure out what happened. the small crickets got into every hole that dragon had on his head and bit the **** out of his nasal and ear cavities and he died from a serious infection from the bites. I know frogs aren't the same but I would be carefull, yes I know they live together in nature but the forest or the edge of creek or something is a lot bigger then terrarium. And again it could be ok frogs/toads.