bar; seta 3 strong, situated more distally, median dorsal; seta 6 strong, 

 situated further laterally; setae 7 and 8 situated ventrally, one behind the 

 other, in basal part, straight, light; seta 5 situated lateral to 8, 4 further 

 inward, 4 and 5 small, thin. 



Case in form of a straight open tube, slightly narrower posteriorly, 

 made of spirally arranged, symmetrical, quadrangular pieces of plants 

 (see Vol.11, Part 1, Figure 98). 



37 



FIGURE 42. Phryganea bipunctata Retz. 

 Posterior abdominal segments: segment 7, in part 

 8, 9 and anal legs, dorsal 



FIGURES 43— 45. Phryganea bipunctata 

 Retz. Pupa (after Siltala): 



43 — anteclypeus and labrum; 44 — right man- 

 dible, dorsal; 45 — dorsal process of abdominal 

 segment 1. 



41 



