What is the primary dietary preference of firebrats?

Firebrats primarily prefer substances that are rich in carbohydrates and proteins as their diet. They are particularly attracted to materials that contain starches and sugars, which are often found in various adhesives. This means that glue, which contains such substances, becomes a significant food source for firebrats.

While they may occasionally feed on other materials, their preference strongly leans toward glue and similar items due to the availability of these nutrients. The other materials listed, such as wood, cardboard, and paper, do not offer the same nutritional value that firebrats seek. As a result, their primary dietary choice is glue, as it best meets their needs for sustenance.