For pet snakes that naturally prey on vertebrates, such as Ball Pythons or Corn Snakes, feeding them insects poses serious health dangers. One immediate risk is impaction, a severe form of constipation, caused by the buildup of indigestible chitin exoskeletons in the gut.
In this 4-month-long cross-over feeding trial, juvenile male corn snakes (n = 9; Pantherophis guttatus) were fed either an experimental insect-based sausage diet or a frozen-thawed mouse.
For the most part, insects are only a light snake to most snake species. While they can curb hunger, insects do not provide the nutrition that most snakes require in order to thrive.

Although insects are healthy food for snakes, certain snakes that are fed on a monotonous diet are also vulnerable to nutritional deficiencies. Therefore, the owner must find methods to supplement the prey items before they are given to the snake.
based on ants and termites (Kley, 2006; Rieppel, Kley. & Maisano, 2009). Table 2. Results of a phylogenetic ordination analysis based on a canonical correspondence analysis for diets of 196 snake. species representing all major clades in all major biomes of the world.

Furthermore, visual representations like the one above help us fully grasp the concept of Feeding Insect-Based Diets To Snakes.
Most captive snakes are fed a diet of rodent prey, which can be purchased live or pre-killed. Prey Fights Back. You may be surprised to learn that one of the risks of giving a live rodent to a pet snake for dinner is the possibility that the snake will wind up getting bitten.