There are four growing period for tenebrio molitor:insects, spawn, larvae and pupae,the larvae is mainly used as feed.However during the breeding,you may see many ingredients in box:Larvae (different size), pupa (different size), weak worm, dead worm, shedding of skin, leftover feed and dung etc,if don't clean the sundries timely,the foul smell from them will disturb larvaes'growing,at the same time larvaes will also hurt even eat the weak worm and pupae,cause unnecessary losses.

Details parameters of Multifunctional Mealworm Separator