48 STENOPHYLAX -STELLATUS 



pointed anterior wings. There are, besides, 

 important differences in the structure of the 

 genitalia. 



The caperer is very abundant, late in the 

 season, coming out of its hiding-places at dusk. 

 The larva makes a short, thick case roughly 

 covered with stones. 



Family . . LIMNOPHILID^ 

 Genus . . Stenophylax 

 2SBS?" Species . . stellatus 



Spurs, 1.3.4. 



PLATE IX 



Towards the end of July, and continuing 

 through August into September, 

 a large brown sedge appears in 

 very great numbers just as it 

 gets dark. If a collecting net 

 be swept through the rushes 

 and sedge by the river-side, it 

 will usually be found to con- 

 tain five or six of these big 

 FIG. 19. caddis-flies running up the side 



Genitalia of Steno- j n a g,. eat hurry to get out. 



t, aX from a the This * s Stenophylax stellatus, and 

 side. I think it may be recognised 



by the figure on the plate and 



the drawing of the male genitalia given in 



Fig. 19. 



