Yeah she’s definitely getting there.
I’ve heard a lot better reviews on just the coco fiber.
But I guess really any could work.
Use something that has less wood in it though. Wood could poke them in the eye and give them infections.
You should not ever be feeding her mealworms. They are nutritionally useless and difficult to digest, leading to impaction and sometimes death. Avoid them at all costs - superworms are a better substitute