Silkworms are gutloaded on mulberry leaves, dandelion leaves, shaved carrot, organic sweet red pepper, grape leaves, etc. If you gutload with these these, no supplementation required unless they form a very large part of the diet in which case use a little calicum.
Butterworms can be gutloaded with softened (steamed) butternut squash. No supplementing required.
Hornworms are gutloaded on "chow" , dandelion leaves, sweet red or green peppers, etc. A little calcium
Mealworms will eat most any vegetable or fruit, but good ones include papaya, dandelion, butternut squash, carrot, and apple. Use a supplement every time.
Superworms/kingworms are the same as mealworms. Use a supplement most times, less if gutloading properly.
