^02 



Pronotum whitish yellow; groove in anterior part golden brown in 

 middle; anterior margin narrow, brown; posterior margin with 2 black, 

 transverse stripes, divided by wide brown space; process at posterior 

 angle with 2 dark dots, with a narrow brown stripe laterally (Figure 346). 



Mesonotum also light, with brownish punctation; posterior margin 

 slightly brownish, in contrast to preceding species; posterior angle broadly 

 black. 



Prosternite forming a small, yellowish, median sclerite with brownish 

 posterior margin, with groups of 8—10 large, fused, reddish brown dots 

 laterally; horn thin, light basally. Mesosternite represented by a row 

 of reddish brown or lighter, large dots, metasternite by 4—5 white dots 

 (Figure 347). 



(203) 



5«5 



FIGURES 348-351. Limnophilus borealis Zett.: 



348 -right trochanter and femur of foreleg (A), midleg (B) and hind leg (C), posterior; 



349 - tergite of segment 9; 350 - larval case; 351 - penis sheath and ventral appen- 

 dages (A), anal rod (B) (351 - after Siltala). 



Legs yellowish brown, with large, chestnut brown dots on coxae, 

 trochanters^, femora and tibiae. Posterior seta of fore femur (Figure 348, A) 

 dark, moderately long, situated slightly distal to basoventral seta; both 



253 



