NORTH AMERICAN STENOMIDAE — DUCKWORTH 



65 



Figures 18-21. — Ventral view of male genitalia: 18, Setiostoma xanthobasis Zeller; 19, S. 

 fernalddla Riley; 20, Mothonica kimballi, new species; 21, Menestomorpha oblongata 

 Walsingham. Lateral view of aedeagus: 18a, S. xanthobasis; 19a, S. fernaliella; 20a, M. 



kimballi. 



