.61 



Tergite of segment 9 pale, brownish, with large dots at anterior margin; 

 medioanal setae black, long; anterior -angle seta shorter and thinner, 

 intermediate seta moderately long, lateral seta short; both thin, brownish; 

 a brown, moderately long seta between medioanal setae (Figure 273). 



Sclerite "b" of anal legs light brown, with large, brown dots basally 

 and on surface; a long, thick, black seta in median distal angle; similar, 

 long but thinner seta nearby, lateral seta brown, less large; a thin, black, 

 moderately long seta near median margin; ventral seta dark brown, short, 

 thick. Sclerite "c" light brown, with broad, black, lateral margin; basal 

 seta small, brown. 



Claw (Figure 274) dark brown, with a large dorsal denticle; setae brown, 

 except ventral setae; seta 1 situated subdorsally in basal part, thick, 

 relatively large; seta 2 thin, moderately long, situated laterally at end of 

 suture; seta 6 short, situated near suture in apical part; seta 3 situated 

 dorsally in apical part, relatively long; setae 7 and 8 short, light; seta 5 

 small, light, situated laterally near seta 8; seta 4 light, but slightly larger, 

 situated inward from 8. 



Case (Figure 275) straight, tapering posteriorly, made of large plant 

 fragments 18— 20 mm long and attached longitudinally at anterior end, 

 forming a spiral of 3—4 turns. The material usually consists of pieces 

 of sedge or leaves of Gramineae, oblong particles of detritus, or blackened 

 leaves of trees. Length of case 40— 50 mm. 



Number and arrangement of gills of G.atomarius 



Segment 



Dorsal 



Pleural 



Ventral 





3 



3 





3 



2 













3 





3 



3 





3 



3 





3 



3 













3 





3 



3 





3 



2 





3 



4 













2 





2 



3 



5 



2 



2 





2 



2 





2 



2 





2 







2 



6 













2 





1 



2 





2 







1 



7 



2 





1 







2 









8 











Pupa. Length 18—21 mm. Antennae reaching segment 8. Clypeus with 

 3 black setae; labrura brownish, seta 1 small, light, situated laterally, 

 other 5 setae black, hooked at end. Mandibles blackish red -brown; distal 

 part relatively wide, slightly curved, serrated; lateral setae short, black. 



Wing sheaths with rounded ends, reaching the abdominal segment 6; 

 mid -tarsi with dense natatorial setae; sparse setae on hind tarsi. 



200 



