Aphodius fimetarius?

Aphodius fimetarius?

Observation - Aphodius fimetarius? - UK and Ireland. Description: Not sure how to separate fimetarius from pedellus, can anyone clarify? found in sawdust left from tree work on an urban nature reserve

Not sure how to separate fimetarius from pedellus, can anyone clarify? found in sawdust left from tree work on an urban nature reserve