Macrostemum ulmeri (Banks 1913)
Known distribution. BRAZIL (Amazonas, Acre, Ceará, Distrito Federal, Espírito Santo, Maranhão, Minas Gerais, Goiás, Pará, Piauí, Rio de Janeiro, Rondônia and Roraima), COLOMBIA, COSTA RICA, ECUADOR, HONDURAS, PERU, and SURINAME.
Remarks. Reported from Piauí by Takiya et al. (2016).