[382) 



FIGURES 527 and 528. Stenopsyche gr i sei pe nni s McL.: 



527 — labrum; 528 — mandibles, dorsal: left mandible (A), right 

 mandible (B). 



Maxillolabium (Figure 529) with yellowish white membranous parts 

 and with distinct brown and dark brown sclerites, some of which are blackish; 

 setae brown or dark brown. Submentum dark brown, blackish brown near 

 the posterior angles and anteriorly near the base of the rounded median 

 process; setae on the processes on the anterior angles situated on small 

 light spots; each lateral fold of the submentum with a small, dark brown, 

 rounded sclerite. Sclerites anteriorly, on the membranous part of cardo 

 dark brown on the outer side near the base and in the middle near the 

 posterior angle; a strong dark brown seta near the posterior median angle; 

 sclerites of stipes oblique, with a broad blackish brown stripe in the middle 

 and with a small, round light spot; narrow distal end of sclerite blackish; 

 both setae of the sclerite strong, dark brown. The sclerite of the palpifer 

 blackish brown in its greater part, light brown anteriorly; a thin brownish, 

 relatively large seta distally in the middle; first segment of the maxillary 

 palp broad and short, its sclerite much shorter and broader than the others; 

 2nd segment slightly broader than 3rd; 3rd segment slightly curved, longer 

 than the others, with a dark brown sclerite; 4th sclerite small, narrower 

 distally,with short sensillae. Galea short and broad, with dense, yellowish 

 curved hairs; sensillae and setae indistinct among the hairs. Mentum 

 slightly oblong, dark brown in the middle and at the base; ventral sclerites 

 small, rounded, light brown, with a small seta; labial palpifer reddish brown; 

 labial palps narrow, short, with brownish sclerites and relatively long 

 sensillae; distal process of labial lobe short. 



427 



