Baeocera ardua is a species of beetle in the family Staphylinidae. This species is found in south-eastern Brazil (Minas Gerais).
Adults reach a length of about 1.11 mm and have a dark brown body.
Adults have been collected from Ceratiomyxa fruticulosa on a fallen Pinus tree.
Etymology The species epithet is a Portuguese adjective in apposition, meaning ‘difficult’, ‘hard’, referring to the challenging study of this morphologically uniform group, and in particular this species.Twenty new species of Scaphidiinae (Coleoptera: Staphylinidae) from Minas Gerais, Southeast Brazil
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