1 literature reference for Cosmisoma violaceum Monné, 1994:

Author: MONNÉ Miguel Ángel
Year: 1994
Title: Catalogue of the Cerambycidae (Coleoptera) of the western hemisphere. Part X. Subfamily Cerambycinae: Tribes Rhopalophorini, Heteropsini, Thyrsiini, Agallissini, Platyarthrini, Holopterini, Lissonotini
Source: Sociedade Brasileira de Entomologia, São Paulo 1994 X: 1-81.