The tribe Lepturini in South America (Coleoptera: Cerambycidae: Lepturinae) Author Monné, Marcela L. Author Monné, Miguel A. text Zootaxa 2008 2008-08-27 1858 37 52 journal article 10.5281/zenodo.274444 34373a5f-2d4f-4c16-9e42-c6d586daada7 1175-5326 274444 Key to the South American species of Megachoriolaus 1. Integument black, except red prothorax and brownish legs. Brazil (Rondônia, Mato Grosso, Goiás, Minas Gerais) ( Fig. 10 ) ............................................................................................... M. bicolor ( Gounelle, 1911 ) - Integument with different patterns and coloration.......................................................................................2 2. Head, antennae and pronotum light brown–reddish. Brazil (Amazonas) ( Fig. 9 ) ........................................ .......................................................................................................................... M. atripennis ( Bates, 1870 ) - Head and antennae with different colors; pronotum with a median longitudinal black line.......................3 3. Anterior half of the elytra bright red. Colombia ( Fig. 11 ) ................................. M. venustus ( Breme, 1844 ) - Anterior 2/3 of the elytra yellowish. Brazil (Rondônia), Bolivia ( Fig. 12 ) ............ M. clarkei new species