Macronemus filicornis is a species of beetle in the family Cerambycidae. It was described by Thomson in 1860.Bezark, Larry G. A Photographic Catalog of the Cerambycidae of the World . Retrieved on 22 May 2012. It is found in Brazil (Minas Gerais, Espirito Santo, Rio de Janeiro, São Paulo, Paraná, Santa Catarina, Rio Grande do Sul), Paraguay and Argentina.
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