Canthon staigi is a species of beetle of the family Scarabaeidae. It is found in Argentina, Brazil (Alagoas, Amazonas, Bahia, Espírito Santo, Minas Gerais, Paraíba, Paraná, Pernambuco, Rio de Janeiro, São Paulo) and Paraguay.
Description Dorsally, the elytra and pronotum have a blue or green colour and blue and green reflections. The metafemora have several punctures at the base and no groove. The propygidium has a strong V-shaped carina between the pygidium and propygidium.
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