Nealcidion bicristatum is a species of beetle in the family Cerambycidae. It was described by Bates in 1863.Bezark, Larry G. A Photographic Catalog of the Cerambycidae of the World . Retrieved on 22 May 2012. It is found in Brazil (Ceará, Pernambuco, Rio Grande do Norte, Tocantins, Bahia, Minas Gerais, Espírito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Bolivia (Santa Cruz), Paraguay, Argentina (Misiones, Corrientes, Buenos Aires) and Uruguay.
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