yen_saw, I feed them on 3 species of flies: Calliphora vomitoria, Eudasyphora cyanicolor, Lucilia sp. Before L4-5 they ate mostly drosophilas (D.virilis, D.melanogaster). I never give them crickets or any other non-flying insects.
Kruszakus, hmm...seems strange, other species molted on the lid...