first of one, I`m not good at Engilsh. sorry about that. anyway, I live in asia that do not access infomaion about Tarantula than you. In my country, Some People insist feed only mealworm is harful for Tarantula reason why mealworm has so much FAT. I know about Tarantula act low action to mealworm. But my country can't exsist any other Insect for Tarantula. Tarantula can eat just Cricket, mealworm. so I post. I hope your anwser to me and have a good day, everyday.