Physocoryna scabra is a species of beetle of the family Chrysomelidae. It is found in Argentina, Brazil (Bahia, Goyaz, Matto Grosso, São Paulo), Colombia, Peru and Paraguay.
Adults reach a length of about 4-5.5 mm. Adults are either yellow-castaneous with blackish markings or entirely reddish-brown.
The recorded food plants are Canavalia species (including Canavalia ensiformis), as well as Cymbosema, Dioclea, Phaseolus and Stimatophyllum species.