New species of the Neotropical genus Anthodioctes Holmberg, 1903 are described: A. xilitlae sp.n. from México; A. salvatoris sp.n. from El Salvador; A. costaricensis sp.n. from Costa Rica; A. chiribogae sp.n. from Equador; A. argentinus sp.n. and A. angelicae sp.n. from Argentina; A. navarroi sp.n. from Bolivia; and A. camargoi sp.n., A. cerradicola sp.n., A. claudii sp.n., A. gracilis sp.n., A. langei sp.n., A. manauara sp.n., A. meridionalis sp.n., A. moratoi sp.n., A. santosi sp.n., A. sioneii sp.n., A. speciosus sp.n. and A. vilhenae sp.n. from Brazil. The lectotype of A. calcaratus (Friese, 1921) is designated. Some descriptive and taxono-mic notes on/f. callorhinus (Cockerell, 1927), A. indescriptus (Dalla Torre, 1890), A. mapirensis (Cockerell, 1927), A. megachiloides Holmberg, 1903, A. psaenythioides Holmberg, 1903, A Kf///(Schwarz, 1933) and A. veraon/ae(Schrottky, 191 l)aregiven and a key to the studied species is proposed.
Anthodioctes; Anthidiinae; Megachilidae; Hymenoptera; taxonomy