The detrivores, sometimes also called saprophytic or detritofagos, get your supply of debris or organic matter in descomposicion.1 2 the detrivores constitute an important part of the ecosystem because they contribute to decomposition and the recycling of nutrients.Many species of bacteria, fungi, and protists are unable to digest pieces of organic material but may absorb substances at the molecular level, and are perhaps the most important detrivores.Other detrivores include the Sowbugs, millipedes, carrion flies Scathophagidae, worms, a variety of insects including certain types of beetles, some polychaetes, terebelidos and fiddler crabs.According to some scavengers are not considered detrivores which consumed large portions of food. Also the dung ( consumers of faecal matter ) They are not considered detrivores typical. Those who consume wood, either alive or dead are called xylophagous.