Any of several minute flea beetles of the genera Phyllotreta and Psylliodes (family Chrysomelidae), which are pests of cabbages and related plants; especially the black Psylliodes chrysocephala.
Origin
Mid 19th century.
Definition of cabbage flea beetle in US English:
cabbage flea beetle
noun
Any of several minute flea beetles of the genera Phyllotreta and Psylliodes (family Chrysomelidae), which are pests of cabbages and related plants; especially the black Psylliodes chrysocephala.