Macropygium Spinola, 1837

The genus can be recognized by the oval body, brown or dark brown coloration with black irregular spots, the anterolateral margins of the pronotum are sometimes yellowish; the head is triangular; the mandibular plates are surpassing the apex of the clypeus; four or five antennal segments, the antepenultimate antennal segment wider in the males than the females; the pronotum is slightly sloping anteriorly to the humeri; the scutellum is shorter than the corium; and the apex of the labium is surpassing the urosternite III (Da Silva & Campos 2021).