Two new species from Peru: Anthidulum lamasi sp. nov. from San Ramón and Anthidulum clausi sp. nov. from Pichanaki, both from the Junín Province; and Anthidianum chilense sp. nov. from Arica, Chile are described. The Lectotype of Anthidium caroliameghinoi Brèthes, 1903, is designated, and a taxonomic change is made: Antidianum caroliameghinoi (Brèthes, 1903) comb. nov.
Anthidulum; Anthidianum; Anthidiinae