Google Services battery usage
This is most likely some app utilizing Google Services. You don't show the details screen to be reached when tapping the graph on top of your first screenshot. Please check there, and cross-check with How to deal with (orphaned) WakeLocks? -- the "keep awake" of your second screenshot suggest Wakelocks as the "source of evil". The part What if it is the Android System itself? should help you track the issue down further.

Another possible -- no, very likely candidate is found in another question I just stumbled upon: Google Services is killing my battery by keeping phone awake. Sound familiar? ;)