160 



subapical seta lighter, thin, moderately long; apical ventral setae thin, 

 brown, posterior of them longer, reaching end of claw. Claw thin, slightly 

 curved; basal seta in form of thick, pointed spine. 



The hind legs differ from the midlegs as follows: l) secondary dorsal 

 and distal setae of coxa larger and more numerous; 2) posterior seta of 

 trochanter long, almost as long as posterior distoventral seta; 3) femur 

 slightly shorter than on midlegs, with wider apex (Figure 272, C); 



4) posterior, primary seta of femur longer than ventral setae; 



5) both ventral setae of femur situated close together in apical 

 part, the basal of them shorter, lighter, and thinner; 6) apical 

 dorsal seta of tibia longer than on midlegs, apical dorsal seta of 

 tarsus shorter. 



Dorsal process of abdominal segment 1 large, conical, pointed; lateral 

 processes wide, large; ventral convexity elliptical. 



Lateral line on segments 3—8, gills on segments 2—8. 



Z13 



27^ 



FIGURES 272-276. G ra m m ot a ul i us a t o m a ri us Fabr : 



272 — ventral margin of right legs, posterior: foreleg (A),midleg (B) and 

 hind leg (C); 273 - tergite of the abdominal segment 9; 274 - claw of 

 anal leg; 275 — larval case; 276 — pupal case. 



199 



