Painted Lady Caterpillar Food: Enough to Grow 66 Butterfly Larvae (2 Containers) Did your Painted Lady butterflies reproduce and you need more caterpillar diet? Rearing Painted Ladies yourself? You get TWO 8oz cups of pre-mixed diet. Each will feed up to 33 hungry Painted Lady caterpillars. The 2 cups you get will feed 66 total. It can be stored in the refrigerator up to 3 months. This item is FOOD ONLY. For feeding Painted Lady caterpillars you already have. Same food used by professional breeders for excellent results.