KEY TO SPECIES OF THE GENUS HEXARHOPALUS FROM CHINA
1 Elytra ovoid or elongate ovoid, shoulderless; metathoracic wings reduced (subgenus Hexarhopalus FAIRMAIRE, 1891). 2
– Elytral margins subparallel-sided, shoulders and metathoracic wings fully developed (subgenus Leprocaulus FAIRMAIRE, 1896). 5