Alphus marinonii sp. nov., nova espécie para o Peru e Brasil (Coleoptera, Cerambycidae, Lamiinae)

Alphus marinonii sp. nov., new species from Peru and Brazil (Coleoptera, Cerambycidae, Lamiinae). A new species of Alphus, A. marinonii sp. nov., from Peru and Brazil (Rondonia) is described. Key to identification and pictures for the four species of the genus are provided. Notes on distribution of A. tuberosus are included, with a new record for Peru and Brazil (Goias and Mato Grosso do Sul).