Based upon the definition of detrivores, I would say yes to that.
http://en.wikipedia.org/wiki/Category%3ADetritivores
do detrivores return eneregy to an ecosystem?
2 answers
Yes, from Wiki:
Detritivores are often eaten by consumers and therefore commonly play important roles as recyclers in ecosystem energy flow and biogeochemical cycles.
Detritivores are often eaten by consumers and therefore commonly play important roles as recyclers in ecosystem energy flow and biogeochemical cycles.