Map of Trigonopterus records across Sulawesi and adjacent islands. Blue dots from Riedel and Narakusumo (2019); white dots from present study. Prepared using GeoMapApp (www.geomapapp.org; Ryan et al. 2009); 1 = Mt Dako (T. acutus sp. nov., T. ancora sp. nov., T. arcanus sp. nov., T. corona sp. nov., T. dakoensis sp. nov., T. daun sp. nov., T. gundala sp. nov., T. hoppla sp. nov., T. moduai sp. nov., T. mons sp. nov., T. paramoduai sp. nov., T. puspoi sp. nov., T. rosichoni sp. nov., T. rubidus sp. nov., T. sutrisnoi sp. nov., T. tanah sp. nov., T. tolitoliensis sp. nov.; 2 = Mt Pompangeo (T. ewok sp. nov., T. kakimerah sp. nov., T. matakensis sp. nov., T. pomberimbensis sp. nov., T. pompangeensis sp. nov., T. tejokusumoi sp. nov., T. unyil sp. nov.); 3 = Mt Katopasa (T. katopasensis sp. nov., T. tounensis sp. nov.); 4 = Mt Torompupu (T. sarinoi sp. nov.); 5 = Palu (T. toboliensis sp. nov.); 6 = Palolo (T. toboliensis sp. nov.).