New species and illustrated key of Macraspis (Scarabaeidae, Rutelinae, Rutelini) from the Amazon biome of Brazil.

The phytophagous scarab genus MacLeay (Scarabaeidae, Rutelinae, Rutelini) is reviewed from the Brazilian Amazon region. Three new species are described and illustrated from the states of Amazonas, Pará, and Rondônia: , , and Two species, Neita-Moreno and Burmeister, are recorded for the first time in Brazil (new country records). Soula is a new synonym of Burmeister; hence this species no longer includes subspecies. Furthermore, Soula, 2005 is deemed unavailable under the provisions of ICZN Articles 16.4.1 and 16.4.2. An illustrated key to 15 species and subspecies of from the Brazilian Amazon enables identification of this speciose leaf chafer genus.