margin with wide, dark stripes laterally as in L. vittatus; posterior and 

 part of lateral margin narrowly black, wider at posterior angle; punctation 

 as in Figure 391 . 



Anterior median sclerites of metanotum small, oval, widely separated. 

 Posterior median sclerites triangular. Lateral sclerites with dark, 

 transverse, blackish spot. 



Prosternite small, yellowish; horn grayish white, relatively large; 

 ventral side of mesothorax with 2 large, sclerotized dots on each side. 



(223) 



392 a 



332 



393 



FIGURES 391 and 392. Limnophilus elegans 

 Curt, (after Dohler): 



391 — head, pro- and mesothorax; 392 — larval case 

 (A), anal rods of pupa (B), pupal case (C). 



FIGURES 393 and 394. Lim- 

 nophilus xanthodes McL. 



393 — head and thorax, dorsal; 



394 - larval case (393 - after 

 Struck; 394 - after Ulmer). 



223 



Legs brown. Primary ventral setae of foreleg in form of 2 thick, 

 light spines, apical spine thinner and almost twice as long as basal spine; 

 posterior seta situated subventrally between spines. 



Lateral line on segments 3—7. Gills on segments 3—7. 



Gills on segments 3—7. 



279 



