Synonymical and nomenclatural notes on Trachyderini (Coleoptera, Cerambycidae, Cerambycinae) Author Monné, Marcela L. Author Monné, Miguel A. text Zootaxa 2013 3686 3 356 362 journal article 10.11646/zootaxa.3686.3.4 29f6410d-eab5-423c-8291-eb4dc69dfef2 1175-5326 221653 22688F36-487E-4690-B4ED-60A83E9049D5 Key to the species of Galissus 1. Ventral habitus of abdomen dark brown to black............................................................. 2 - Ventral habitus of abdomen red or orange red............................................................... 3 2(1) Prothorax shining black; metatíbiae densely covered with erect hairs ( Figs.2, 6 ). Ecuador , French Guiana ,. Brazil , (Amapá and Pará)........................................................................ G. cyanopterus Dupont, 1840 - Prothorax shining red; metatibiae with sparse hairs (Figs 4,8). Ecuador ..................... G. nigriventris ( Lane, 1965 ) 3(1) Prothorax mostly red, two anterior thirds of the pronotum with a large rounded black mark ( Figs 3, 7 ). Ecuador , Bolivia (Santa Cruz).................................................................. G. cyaneipennis ( Waterhouse, 1880 ) - Prothorax shining black................................................................................ 4 4(3) Thoracic sterna red.. Brazil (Mato Grosso).( Figs 1, 5 .)............................. G. azureus Monné & Martins, 1981 - Thoracic sterna black. Costa Rica ............................ G. nigrescens , Martins, Galileo & Ramirez Campos, 2012