PT1954 EXO TERRA Silkworms (Pupea) 34g – The Exo Terra canned foods are a convenient way to feed insects. These insects have been cooked in the can to maintain nutritional value, flavour and aroma. It also sottens the exoskelaton ofthe insects for easier digestion and breaks the bonds between the collaen protein to make it absorbable by reptiles. Collagen is an important libre that aids in building bone. cartilage, skin and claw structure. The canned insects have the same nutritional value as live insects but are easier to digest.