f-hopper is

f-hopper is

Observation - f-hopper is. Description: Are these 'frog-hoppers' that do cuckoo-spit on plants? If not, what are they? These are about 4mm long. Which ones? (these pics taken last summer)

Are these 'frog-hoppers' that do cuckoo-spit on plants? If not, what are they? These are about 4mm long. Which ones? (these pics taken last summer)