(530) 



FIGURES 745 and 746. Amphipsyche prolutaMcL.: 

 745 — head, dorsal; 746 - head and prothorax, lateral. 



Mandibles (Figure 749) shorter than in Macronema; 1 apical tooth on 

 upper blade of left mandible; lower blade with 3 apical teeth and 1 large, 

 blunt, basal tooth with a small tubercle near its base. Right mandible with 

 1 apical tooth on upper blade, and 3 teeth on lower blade; basal part with 

 1 conical tooth and a thick, dark brown, blunt process at its base. Two 

 530 primary setae in middle of outer side; short, light, secondary setae along 

 whole outer margin. 



Membranous part of maxillolabium (Figures 750 and 751) white, sharply 

 contrasting to shining, dark brown submentum, which is triangular in the 



606 



