Sylvicanthon obscurus is a species of beetle of the family Scarabaeidae. It is found in the northern Atlantic forest from Alagoas to Espírito Santo in Brazil.
Description Adults reach a length of about . The dorsum is slightly shiny and lustrous. The head and pronotum range from light green with yellowish reflections to dark purple without any trace of a yellowish or greenish sheen. The elytra are usually very dark green or blue, or, more rarely, with a strong purplish-blue sheen. The pygidium and metaventrite are dark green or blue, without a metallic sheen or with a reduced sheen. The legs are reddish-brown.
Natural history They are thought to be coprophagous.
Etymology The species name is derived from Latin obscurus (meaning dark) and probably refers to the dark green or dark blue elytra.
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