#5
There are relatively few species with completely black antennae. Of one of these I know the abdomen has no markings (
C. emiliae) and for a species (group?) I have no mentioning of presensence/absence of abominal markings in my notes. I have that marked as '
nigripalpis/
herbarum (
juncorum Tanas.)'. No idea what the status of that is anymore...