setae situated among secondary setae; anterior prinnary seta of mid-femur 

 short, thick, black; secondary dorsal setae at margin, long, black, about 100 

 on mid-femora, together v/ith posterior subdorsal seta, 60-75 setae on 

 the hind legs; 40-46 secondary ventral setae on midlegs, 46-54 on hind 

 legs; anterior side with 5-9 setae on mid-femora, 5— 6 on hind femora. 



(542; 



868 



FIGURES 865-869. Sericostoma pe d e m on t a nu m McL. fafter Nielsen): 



865 - pronotum fA), mesothorax.metathorax.and first abdominal segment, lateral 

 (B); 866- right foreleg (A), midleg (B) and hind leg iC), posterior; 867- gills; 

 868- segment 9 and right anal leg, right side fA), claw, lateral (B) and inner side (C); 

 869 — larval case. 



677 



