Anterior-margin setae (Figure 682) situated lateral to dark spots; 

 anterior and intermediate frontal setae situated one behind the other, latter 

 a short distance before tentorial pit, 3 posterior frontal setae lateral to 

 transverse row of dots, thin, straight, long, like anterior-margin setae. Most 

 other dorsal se,tae also long; setae 9 and 14 on dark background situated 

 lis close together near frontal suture; seta 7 situated far from anterior margin, 

 and close to seta 9; seta 10 situated lateral to eye, longest on the head; 

 setae 12 and 14 situated behind eye, large: seta 13 short, thin; setae 15, 16, 

 and 17 moderately long. Seta 8 short, thick, situated dorsal to ventral 

 articulation of mandibles; seta 18 thick, on dark background. 



BS'f 



FIGURES 683 and 684. Molanna a ng u s t a ta Curt, (after Rachenskaya): 



683 — right mandible, ventral (A), median side (B); 684 — gula and 

 maxillolabium, ventral. 



525 



