slightly longer and thicker than other 2; lateral and outer setae short, thin. 

 Sclerite "c" light yellow, with a small, light seta. 



Number of tufts of gills in A. a nnu li corn is (after 

 Klapalek) 



Segment 



Dorsal 



Ventral 



2 



2 

 2 



1 1 



3 



2 

 1 



1 2 



1 1 



4 





1 1 



5 







6 







7 







Claw as in A. excisus, small, reddish brown, with 2 dorsal denticles: 

 setae as in A. excisus. 



Case (Figure 729) 8— 10 mm long, curved, flattened dorsoventrally, with 

 dorsal hood anteriorly; anterior opening directed obliquely downward, 

 posterior opening closed by a membrane with a round or broadly elliptical 

 hole. 



Number of filaments in tufts of gills of pupa of 

 A. annulicornis (after Klapalek) 



Segment 



Dorsal 



Ventral 



2 



5 



4 

 6 



4 



3 



4 

 8-9 



10-11 5 



4 



4 

 1-8 



9-10 4 



5 



3 

 6 



9 



6 



3 

 5 



6 



7 





5 



Pupa. Length 5.8— 7,0 mm. Antennae of male pupae coiled about 4 times 

 around posterior end of body , those of female about 3 times. Lab rum (Figure 

 730, A) rounded laterally, with a small, slightly projecting rounded median 



