FIGURES 13–21 in Contribution to the knowledge of the Anthidulum Michener and Ctenanthidium Urban (Hymenoptera, Apidae) with new species from Argentina and Peru

FIGURES 13–21. Dorsal views (13–14) of Ctenanthidium versicolor sp. nov. 13, male; 14, female. Details of tegula (15–16), 15, Ctenanthidium nigripes; 16, Ctenanthidium versicolor sp. nov. Lateral views (17–18) of Ctenanthidium versicolor sp. nov., 17, male; 18, female. Dorsal views of metasoma (19–21) of female. 19, Ctenanthidium versicolor sp. nov.; 20, Ctenanthidium bifasciatum; 21, Ctenanthidium gracile. Scale = 1.0 mm (Figs. 13–14, 17–18. Scale = 0.25 mm (Fig. 15–16). Scale = 0.5 mm (Figs. 19–21).