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reddish brown, thin and curved at end. Mandibles (Figure 371, A) chestnut 

 brown; distal part relatively short, wide, slightly convex laterally, median 

 blade serrated; lateral setae reddish brown, thin; dorsal seta slightly 

 larger than ventral. 



Wing sheaths reaching beginning of abdominal segment 5. Midlegs 

 with sparse, thin, natatorial setae on tarsal segments 1—4; segments 1—4 

 of hind tarsi with sparse setae. Process of abdominal segment 1 

 (Figure 371, B) pale, yellowish, with fine, transverse striation, distal 

 margin pinkish brown; lobes lateral to saddle-shaped process with small 

 black spinules. 



Holding apparatus on abdominal segments 3—7; number of hooks: 

 111:2-3; IV:3; V:2-3 + 5-9; VI:3-6; VIl:3-4. Gills on segments 2-7. 



Anal rods almost straight, widely separated, thin, slightly club-shaped 

 at end with minute spinules; 1st seta situated in basal third, 2nd in middle, 

 3rd and 4th subapically and apically. 



Ventral appendages of male genitalia wide, rounded, longer than wide, 

 divided penis sheath (Figure 371, C). 



310 



369 



FIGURES 369-371. Limnophilus e x t r i c a t us McL.: 



369 - thoracic horn and sternites; 370 - right trochanter and femur of 

 foreleg CA), nnidleg (B), and hind leg (C), posterior; 371 - pupa: right 

 mandible, ventral (A), dorsal process of abdominal segment 1 (B), penis 

 sheath and ventral appendages (C) (371, B,C - after Siltala). 



266 



